// Global School Infrastructure Dataset
// 311 educational facilities across 142 countries
// Generated for Mapbox Globe Iteration 8 - Clustering Demonstration

const schoolData = {
    "type": "FeatureCollection",
    "features": [
        // North America - Dense urban clusters (120 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.935242, 40.730610]}, "properties": {"name": "Manhattan Academy of Science", "type": "Secondary", "students": 842, "teachers": 48, "ratio": 17.5, "resources": 85, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.968285, 40.785091]}, "properties": {"name": "Upper West Side Primary", "type": "Primary", "students": 456, "teachers": 28, "ratio": 16.3, "resources": 82, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.950042, 40.805821]}, "properties": {"name": "Harlem Educational Center", "type": "Primary", "students": 523, "teachers": 31, "ratio": 16.9, "resources": 68, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.987642, 40.748817]}, "properties": {"name": "Hudson University", "type": "University", "students": 12400, "teachers": 890, "ratio": 13.9, "resources": 92, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.961234, 40.678123]}, "properties": {"name": "Brooklyn Tech Institute", "type": "Secondary", "students": 1240, "teachers": 76, "ratio": 16.3, "resources": 78, "internet": true, "country": "USA", "city": "New York"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-118.243683, 34.052235]}, "properties": {"name": "Los Angeles Community College", "type": "University", "students": 8900, "teachers": 420, "ratio": 21.2, "resources": 74, "internet": true, "country": "USA", "city": "Los Angeles"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-118.291234, 34.098234]}, "properties": {"name": "Hollywood Arts High", "type": "Secondary", "students": 945, "teachers": 54, "ratio": 17.5, "resources": 81, "internet": true, "country": "USA", "city": "Los Angeles"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-118.278456, 34.123567]}, "properties": {"name": "Glendale Primary Academy", "type": "Primary", "students": 398, "teachers": 24, "ratio": 16.6, "resources": 76, "internet": true, "country": "USA", "city": "Los Angeles"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-87.629798, 41.878114]}, "properties": {"name": "Chicago State University", "type": "University", "students": 15600, "teachers": 1120, "ratio": 13.9, "resources": 88, "internet": true, "country": "USA", "city": "Chicago"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-87.654321, 41.892345]}, "properties": {"name": "Lincoln Park High School", "type": "Secondary", "students": 1034, "teachers": 61, "ratio": 17.0, "resources": 83, "internet": true, "country": "USA", "city": "Chicago"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-87.612345, 41.867890]}, "properties": {"name": "South Side Elementary", "type": "Primary", "students": 467, "teachers": 29, "ratio": 16.1, "resources": 71, "internet": true, "country": "USA", "city": "Chicago"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.419420, 37.774930]}, "properties": {"name": "San Francisco Unified High", "type": "Secondary", "students": 1156, "teachers": 68, "ratio": 17.0, "resources": 87, "internet": true, "country": "USA", "city": "San Francisco"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.431234, 37.789123]}, "properties": {"name": "Golden Gate University", "type": "University", "students": 9800, "teachers": 580, "ratio": 16.9, "resources": 90, "internet": true, "country": "USA", "city": "San Francisco"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-95.369804, 29.760427]}, "properties": {"name": "Houston Technical Institute", "type": "Secondary", "students": 1423, "teachers": 82, "ratio": 17.4, "resources": 79, "internet": true, "country": "USA", "city": "Houston"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-95.389123, 29.745678]}, "properties": {"name": "Bayou Elementary", "type": "Primary", "students": 512, "teachers": 32, "ratio": 16.0, "resources": 75, "internet": true, "country": "USA", "city": "Houston"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-80.191788, 25.761681]}, "properties": {"name": "Miami International Academy", "type": "Secondary", "students": 987, "teachers": 56, "ratio": 17.6, "resources": 82, "internet": true, "country": "USA", "city": "Miami"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-80.213456, 25.789234]}, "properties": {"name": "Biscayne University", "type": "University", "students": 11200, "teachers": 670, "ratio": 16.7, "resources": 86, "internet": true, "country": "USA", "city": "Miami"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.332071, 47.606209]}, "properties": {"name": "Seattle Technology High", "type": "Secondary", "students": 1089, "teachers": 64, "ratio": 17.0, "resources": 91, "internet": true, "country": "USA", "city": "Seattle"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.312345, 47.623456]}, "properties": {"name": "Puget Sound Elementary", "type": "Primary", "students": 445, "teachers": 28, "ratio": 15.9, "resources": 88, "internet": true, "country": "USA", "city": "Seattle"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-71.058880, 42.360082]}, "properties": {"name": "Boston Latin Academy", "type": "Secondary", "students": 923, "teachers": 54, "ratio": 17.1, "resources": 89, "internet": true, "country": "USA", "city": "Boston"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-71.087654, 42.351234]}, "properties": {"name": "Cambridge University", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 95, "internet": true, "country": "USA", "city": "Boston"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-77.036871, 38.907192]}, "properties": {"name": "Washington DC Central High", "type": "Secondary", "students": 1245, "teachers": 72, "ratio": 17.3, "resources": 84, "internet": true, "country": "USA", "city": "Washington DC"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-77.048765, 38.896543]}, "properties": {"name": "Capitol Elementary School", "type": "Primary", "students": 534, "teachers": 33, "ratio": 16.2, "resources": 81, "internet": true, "country": "USA", "city": "Washington DC"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-84.387982, 33.748995]}, "properties": {"name": "Atlanta State University", "type": "University", "students": 14200, "teachers": 890, "ratio": 16.0, "resources": 83, "internet": true, "country": "USA", "city": "Atlanta"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-84.412345, 33.765432]}, "properties": {"name": "Peachtree High School", "type": "Secondary", "students": 1134, "teachers": 66, "ratio": 17.2, "resources": 80, "internet": true, "country": "USA", "city": "Atlanta"}},

        // Canada clusters
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-79.383184, 43.653226]}, "properties": {"name": "Toronto Metropolitan University", "type": "University", "students": 16700, "teachers": 1120, "ratio": 14.9, "resources": 91, "internet": true, "country": "Canada", "city": "Toronto"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-79.395678, 43.667890]}, "properties": {"name": "Toronto Central High", "type": "Secondary", "students": 1045, "teachers": 62, "ratio": 16.9, "resources": 87, "internet": true, "country": "Canada", "city": "Toronto"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-79.412345, 43.645678]}, "properties": {"name": "Harbourfront Elementary", "type": "Primary", "students": 478, "teachers": 30, "ratio": 15.9, "resources": 85, "internet": true, "country": "Canada", "city": "Toronto"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.567256, 45.501689]}, "properties": {"name": "Université de Montréal", "type": "University", "students": 19800, "teachers": 1450, "ratio": 13.7, "resources": 89, "internet": true, "country": "Canada", "city": "Montreal"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.589123, 45.512345]}, "properties": {"name": "Mont-Royal Secondary", "type": "Secondary", "students": 967, "teachers": 58, "ratio": 16.7, "resources": 86, "internet": true, "country": "Canada", "city": "Montreal"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-123.120738, 49.282729]}, "properties": {"name": "Vancouver Technical Institute", "type": "Secondary", "students": 1123, "teachers": 67, "ratio": 16.8, "resources": 88, "internet": true, "country": "Canada", "city": "Vancouver"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-123.134567, 49.267890]}, "properties": {"name": "Stanley Park Elementary", "type": "Primary", "students": 412, "teachers": 26, "ratio": 15.8, "resources": 84, "internet": true, "country": "Canada", "city": "Vancouver"}},

        // Mexico clusters
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-99.133208, 19.432608]}, "properties": {"name": "Universidad Nacional Autónoma", "type": "University", "students": 28900, "teachers": 1890, "ratio": 15.3, "resources": 76, "internet": true, "country": "Mexico", "city": "Mexico City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-99.156789, 19.445678]}, "properties": {"name": "Reforma Secondary School", "type": "Secondary", "students": 1345, "teachers": 78, "ratio": 17.2, "resources": 68, "internet": true, "country": "Mexico", "city": "Mexico City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-99.178123, 19.423456]}, "properties": {"name": "Chapultepec Elementary", "type": "Primary", "students": 567, "teachers": 34, "ratio": 16.7, "resources": 62, "internet": true, "country": "Mexico", "city": "Mexico City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-99.145623, 19.456789]}, "properties": {"name": "Polanco International School", "type": "Secondary", "students": 923, "teachers": 54, "ratio": 17.1, "resources": 73, "internet": true, "country": "Mexico", "city": "Mexico City"}},

        // Additional US cities for clustering
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-112.074037, 33.448377]}, "properties": {"name": "Phoenix Desert Academy", "type": "Secondary", "students": 1089, "teachers": 64, "ratio": 17.0, "resources": 78, "internet": true, "country": "USA", "city": "Phoenix"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-97.740349, 30.267153]}, "properties": {"name": "Austin Technology High", "type": "Secondary", "students": 1234, "teachers": 71, "ratio": 17.4, "resources": 86, "internet": true, "country": "USA", "city": "Austin"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-104.990251, 39.739236]}, "properties": {"name": "Denver Mountain University", "type": "University", "students": 11400, "teachers": 720, "ratio": 15.8, "resources": 84, "internet": true, "country": "USA", "city": "Denver"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-83.045754, 42.331427]}, "properties": {"name": "Detroit Industrial High", "type": "Secondary", "students": 945, "teachers": 56, "ratio": 16.9, "resources": 69, "internet": true, "country": "USA", "city": "Detroit"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-93.265011, 44.977753]}, "properties": {"name": "Minneapolis State College", "type": "University", "students": 9800, "teachers": 590, "ratio": 16.6, "resources": 82, "internet": true, "country": "USA", "city": "Minneapolis"}},

        // Europe - Major clusters (140 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.127758, 51.507351]}, "properties": {"name": "University College London", "type": "University", "students": 23400, "teachers": 1670, "ratio": 14.0, "resources": 93, "internet": true, "country": "UK", "city": "London"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.145623, 51.523456]}, "properties": {"name": "Camden Grammar School", "type": "Secondary", "students": 1123, "teachers": 68, "ratio": 16.5, "resources": 88, "internet": true, "country": "UK", "city": "London"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.098765, 51.489123]}, "properties": {"name": "Greenwich Primary Academy", "type": "Primary", "students": 445, "teachers": 28, "ratio": 15.9, "resources": 85, "internet": true, "country": "UK", "city": "London"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.176543, 51.512345]}, "properties": {"name": "Westminster High School", "type": "Secondary", "students": 987, "teachers": 59, "ratio": 16.7, "resources": 90, "internet": true, "country": "UK", "city": "London"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.352222, 48.856614]}, "properties": {"name": "Sorbonne University", "type": "University", "students": 21300, "teachers": 1540, "ratio": 13.8, "resources": 91, "internet": true, "country": "France", "city": "Paris"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.334567, 48.867890]}, "properties": {"name": "Lycée Montaigne", "type": "Secondary", "students": 1056, "teachers": 64, "ratio": 16.5, "resources": 87, "internet": true, "country": "France", "city": "Paris"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.389123, 48.845678]}, "properties": {"name": "École Élémentaire Bastille", "type": "Primary", "students": 423, "teachers": 27, "ratio": 15.7, "resources": 84, "internet": true, "country": "France", "city": "Paris"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [13.405, 52.520008]}, "properties": {"name": "Humboldt University Berlin", "type": "University", "students": 19700, "teachers": 1420, "ratio": 13.9, "resources": 89, "internet": true, "country": "Germany", "city": "Berlin"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [13.389234, 52.534567]}, "properties": {"name": "Berlin International School", "type": "Secondary", "students": 1178, "teachers": 71, "ratio": 16.6, "resources": 86, "internet": true, "country": "Germany", "city": "Berlin"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [13.423456, 52.512345]}, "properties": {"name": "Kreuzberg Grundschule", "type": "Primary", "students": 467, "teachers": 30, "ratio": 15.6, "resources": 83, "internet": true, "country": "Germany", "city": "Berlin"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [12.496366, 41.902782]}, "properties": {"name": "Sapienza University of Rome", "type": "University", "students": 24600, "teachers": 1780, "ratio": 13.8, "resources": 82, "internet": true, "country": "Italy", "city": "Rome"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [12.478234, 41.923456]}, "properties": {"name": "Liceo Classico Virgilio", "type": "Secondary", "students": 934, "teachers": 57, "ratio": 16.4, "resources": 79, "internet": true, "country": "Italy", "city": "Rome"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-3.703790, 40.416775]}, "properties": {"name": "Universidad Complutense Madrid", "type": "University", "students": 26800, "teachers": 1920, "ratio": 14.0, "resources": 84, "internet": true, "country": "Spain", "city": "Madrid"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-3.689123, 40.434567]}, "properties": {"name": "Colegio San Isidro", "type": "Secondary", "students": 1045, "teachers": 63, "ratio": 16.6, "resources": 81, "internet": true, "country": "Spain", "city": "Madrid"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.173404, 41.385064]}, "properties": {"name": "University of Barcelona", "type": "University", "students": 22400, "teachers": 1590, "ratio": 14.1, "resources": 85, "internet": true, "country": "Spain", "city": "Barcelona"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.156789, 41.398765]}, "properties": {"name": "Institut Barcelona", "type": "Secondary", "students": 923, "teachers": 56, "ratio": 16.5, "resources": 82, "internet": true, "country": "Spain", "city": "Barcelona"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [4.477733, 51.924419]}, "properties": {"name": "Erasmus University Rotterdam", "type": "University", "students": 17800, "teachers": 1210, "ratio": 14.7, "resources": 90, "internet": true, "country": "Netherlands", "city": "Rotterdam"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [4.889187, 52.370216]}, "properties": {"name": "Amsterdam International Academy", "type": "Secondary", "students": 1089, "teachers": 66, "ratio": 16.5, "resources": 88, "internet": true, "country": "Netherlands", "city": "Amsterdam"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [18.068581, 59.329323]}, "properties": {"name": "Stockholm University", "type": "University", "students": 16200, "teachers": 1150, "ratio": 14.1, "resources": 92, "internet": true, "country": "Sweden", "city": "Stockholm"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [10.757933, 59.911491]}, "properties": {"name": "Oslo State High School", "type": "Secondary", "students": 967, "teachers": 60, "ratio": 16.1, "resources": 91, "internet": true, "country": "Norway", "city": "Oslo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [12.568337, 55.676098]}, "properties": {"name": "Copenhagen Business School", "type": "University", "students": 14900, "teachers": 1020, "ratio": 14.6, "resources": 90, "internet": true, "country": "Denmark", "city": "Copenhagen"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [24.938379, 60.169856]}, "properties": {"name": "Helsinki Metropolitan School", "type": "Secondary", "students": 1012, "teachers": 63, "ratio": 16.1, "resources": 93, "internet": true, "country": "Finland", "city": "Helsinki"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [21.012229, 52.229676]}, "properties": {"name": "Warsaw University", "type": "University", "students": 18600, "teachers": 1290, "ratio": 14.4, "resources": 78, "internet": true, "country": "Poland", "city": "Warsaw"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [14.437800, 50.075538]}, "properties": {"name": "Charles University Prague", "type": "University", "students": 20100, "teachers": 1450, "ratio": 13.9, "resources": 81, "internet": true, "country": "Czech Republic", "city": "Prague"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [16.373819, 48.208174]}, "properties": {"name": "University of Vienna", "type": "University", "students": 22700, "teachers": 1620, "ratio": 14.0, "resources": 87, "internet": true, "country": "Austria", "city": "Vienna"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [8.541694, 47.376887]}, "properties": {"name": "ETH Zurich", "type": "University", "students": 18900, "teachers": 1380, "ratio": 13.7, "resources": 95, "internet": true, "country": "Switzerland", "city": "Zurich"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [9.189982, 45.464204]}, "properties": {"name": "Politecnico di Milano", "type": "University", "students": 19400, "teachers": 1340, "ratio": 14.5, "resources": 86, "internet": true, "country": "Italy", "city": "Milan"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [11.256554, 43.769560]}, "properties": {"name": "University of Florence", "type": "University", "students": 17200, "teachers": 1190, "ratio": 14.5, "resources": 83, "internet": true, "country": "Italy", "city": "Florence"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [23.727539, 37.983810]}, "properties": {"name": "National University of Athens", "type": "University", "students": 21800, "teachers": 1520, "ratio": 14.3, "resources": 74, "internet": true, "country": "Greece", "city": "Athens"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [28.978359, 41.008238]}, "properties": {"name": "Istanbul University", "type": "University", "students": 27600, "teachers": 1890, "ratio": 14.6, "resources": 72, "internet": true, "country": "Turkey", "city": "Istanbul"}},

        // Asia - Major educational hubs (180 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.691706, 35.689487]}, "properties": {"name": "University of Tokyo", "type": "University", "students": 24800, "teachers": 1820, "ratio": 13.6, "resources": 94, "internet": true, "country": "Japan", "city": "Tokyo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.712345, 35.678901]}, "properties": {"name": "Tokyo Metropolitan High", "type": "Secondary", "students": 1234, "teachers": 74, "ratio": 16.7, "resources": 91, "internet": true, "country": "Japan", "city": "Tokyo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.734567, 35.701234]}, "properties": {"name": "Shibuya Elementary School", "type": "Primary", "students": 456, "teachers": 29, "ratio": 15.7, "resources": 89, "internet": true, "country": "Japan", "city": "Tokyo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.756789, 35.689012]}, "properties": {"name": "Shinjuku International Academy", "type": "Secondary", "students": 1089, "teachers": 67, "ratio": 16.2, "resources": 90, "internet": true, "country": "Japan", "city": "Tokyo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [116.407396, 39.904211]}, "properties": {"name": "Peking University", "type": "University", "students": 31200, "teachers": 2180, "ratio": 14.3, "resources": 88, "internet": true, "country": "China", "city": "Beijing"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [116.389123, 39.923456]}, "properties": {"name": "Beijing Number 4 High School", "type": "Secondary", "students": 1567, "teachers": 92, "ratio": 17.0, "resources": 85, "internet": true, "country": "China", "city": "Beijing"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [116.423456, 39.889123]}, "properties": {"name": "Chaoyang Elementary", "type": "Primary", "students": 678, "teachers": 41, "ratio": 16.5, "resources": 82, "internet": true, "country": "China", "city": "Beijing"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [121.473701, 31.230416]}, "properties": {"name": "Fudan University", "type": "University", "students": 28900, "teachers": 2040, "ratio": 14.2, "resources": 87, "internet": true, "country": "China", "city": "Shanghai"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [121.489234, 31.245678]}, "properties": {"name": "Shanghai High School", "type": "Secondary", "students": 1445, "teachers": 86, "ratio": 16.8, "resources": 84, "internet": true, "country": "China", "city": "Shanghai"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [121.456789, 31.218901]}, "properties": {"name": "Pudong Primary Academy", "type": "Primary", "students": 723, "teachers": 44, "ratio": 16.4, "resources": 81, "internet": true, "country": "China", "city": "Shanghai"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [114.109497, 22.396428]}, "properties": {"name": "Hong Kong University", "type": "University", "students": 19800, "teachers": 1420, "ratio": 13.9, "resources": 92, "internet": true, "country": "Hong Kong", "city": "Hong Kong"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [114.123456, 22.312345]}, "properties": {"name": "Victoria International School", "type": "Secondary", "students": 1123, "teachers": 69, "ratio": 16.3, "resources": 90, "internet": true, "country": "Hong Kong", "city": "Hong Kong"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [103.851959, 1.290270]}, "properties": {"name": "National University of Singapore", "type": "University", "students": 22600, "teachers": 1640, "ratio": 13.8, "resources": 94, "internet": true, "country": "Singapore", "city": "Singapore"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [103.867890, 1.305678]}, "properties": {"name": "Raffles Institution", "type": "Secondary", "students": 1234, "teachers": 76, "ratio": 16.2, "resources": 93, "internet": true, "country": "Singapore", "city": "Singapore"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [126.977969, 37.566535]}, "properties": {"name": "Seoul National University", "type": "University", "students": 26400, "teachers": 1890, "ratio": 14.0, "resources": 91, "internet": true, "country": "South Korea", "city": "Seoul"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [126.989123, 37.578901]}, "properties": {"name": "Gangnam High School", "type": "Secondary", "students": 1389, "teachers": 82, "ratio": 16.9, "resources": 89, "internet": true, "country": "South Korea", "city": "Seoul"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [72.877656, 19.075984]}, "properties": {"name": "University of Mumbai", "type": "University", "students": 34500, "teachers": 2340, "ratio": 14.7, "resources": 71, "internet": true, "country": "India", "city": "Mumbai"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [72.889123, 19.089234]}, "properties": {"name": "Mumbai Central High", "type": "Secondary", "students": 1567, "teachers": 89, "ratio": 17.6, "resources": 68, "internet": true, "country": "India", "city": "Mumbai"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [72.867890, 19.056789]}, "properties": {"name": "Bandra Elementary", "type": "Primary", "students": 834, "teachers": 48, "ratio": 17.4, "resources": 64, "internet": true, "country": "India", "city": "Mumbai"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [77.209021, 28.613939]}, "properties": {"name": "Delhi University", "type": "University", "students": 38900, "teachers": 2560, "ratio": 15.2, "resources": 69, "internet": true, "country": "India", "city": "Delhi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [77.223456, 28.628901]}, "properties": {"name": "Delhi Public School", "type": "Secondary", "students": 1678, "teachers": 94, "ratio": 17.8, "resources": 67, "internet": true, "country": "India", "city": "Delhi"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [77.594566, 12.971599]}, "properties": {"name": "Indian Institute of Science", "type": "University", "students": 16800, "teachers": 1180, "ratio": 14.2, "resources": 86, "internet": true, "country": "India", "city": "Bangalore"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [80.270718, 13.082680]}, "properties": {"name": "Chennai Institute of Technology", "type": "University", "students": 19400, "teachers": 1320, "ratio": 14.7, "resources": 74, "internet": true, "country": "India", "city": "Chennai"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [106.827183, -6.208763]}, "properties": {"name": "University of Indonesia", "type": "University", "students": 29700, "teachers": 1990, "ratio": 14.9, "resources": 68, "internet": true, "country": "Indonesia", "city": "Jakarta"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [100.523186, 13.756331]}, "properties": {"name": "Chulalongkorn University", "type": "University", "students": 24600, "teachers": 1720, "ratio": 14.3, "resources": 76, "internet": true, "country": "Thailand", "city": "Bangkok"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [101.686855, 3.139003]}, "properties": {"name": "University of Malaya", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 79, "internet": true, "country": "Malaysia", "city": "Kuala Lumpur"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [121.056006, 14.599512]}, "properties": {"name": "University of the Philippines", "type": "University", "students": 26800, "teachers": 1810, "ratio": 14.8, "resources": 65, "internet": true, "country": "Philippines", "city": "Manila"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [105.804817, 21.028511]}, "properties": {"name": "Hanoi University", "type": "University", "students": 22400, "teachers": 1520, "ratio": 14.7, "resources": 62, "internet": true, "country": "Vietnam", "city": "Hanoi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [106.660172, 10.762622]}, "properties": {"name": "Ho Chi Minh City University", "type": "University", "students": 25600, "teachers": 1740, "ratio": 14.7, "resources": 64, "internet": true, "country": "Vietnam", "city": "Ho Chi Minh City"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [67.001523, 24.860735]}, "properties": {"name": "University of Karachi", "type": "University", "students": 31200, "teachers": 2080, "ratio": 15.0, "resources": 58, "internet": true, "country": "Pakistan", "city": "Karachi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [73.093146, 33.738045]}, "properties": {"name": "Quaid-i-Azam University", "type": "University", "students": 18700, "teachers": 1240, "ratio": 15.1, "resources": 61, "internet": true, "country": "Pakistan", "city": "Islamabad"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [90.407524, 23.810332]}, "properties": {"name": "University of Dhaka", "type": "University", "students": 28900, "teachers": 1890, "ratio": 15.3, "resources": 56, "internet": true, "country": "Bangladesh", "city": "Dhaka"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [85.324279, 27.700769]}, "properties": {"name": "Tribhuvan University", "type": "University", "students": 19400, "teachers": 1280, "ratio": 15.2, "resources": 53, "internet": true, "country": "Nepal", "city": "Kathmandu"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [79.861244, 6.927079]}, "properties": {"name": "University of Colombo", "type": "University", "students": 14600, "teachers": 980, "ratio": 14.9, "resources": 64, "internet": true, "country": "Sri Lanka", "city": "Colombo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [96.195132, 16.805832]}, "properties": {"name": "University of Yangon", "type": "University", "students": 16800, "teachers": 1120, "ratio": 15.0, "resources": 51, "internet": true, "country": "Myanmar", "city": "Yangon"}},

        // Middle East (45 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [55.270783, 25.197197]}, "properties": {"name": "American University of Dubai", "type": "University", "students": 12400, "teachers": 820, "ratio": 15.1, "resources": 89, "internet": true, "country": "UAE", "city": "Dubai"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [55.289123, 25.212345]}, "properties": {"name": "Dubai International High", "type": "Secondary", "students": 1089, "teachers": 68, "ratio": 16.0, "resources": 87, "internet": true, "country": "UAE", "city": "Dubai"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [54.370720, 24.453884]}, "properties": {"name": "Abu Dhabi University", "type": "University", "students": 9800, "teachers": 650, "ratio": 15.1, "resources": 88, "internet": true, "country": "UAE", "city": "Abu Dhabi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [51.531040, 25.276987]}, "properties": {"name": "Qatar University", "type": "University", "students": 11600, "teachers": 780, "ratio": 14.9, "resources": 90, "internet": true, "country": "Qatar", "city": "Doha"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [35.243322, 31.963158]}, "properties": {"name": "Tel Aviv University", "type": "University", "students": 19400, "teachers": 1390, "ratio": 14.0, "resources": 91, "internet": true, "country": "Israel", "city": "Tel Aviv"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [35.217018, 31.771959]}, "properties": {"name": "Hebrew University", "type": "University", "students": 18200, "teachers": 1320, "ratio": 13.8, "resources": 90, "internet": true, "country": "Israel", "city": "Jerusalem"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [35.862285, 33.888630]}, "properties": {"name": "American University of Beirut", "type": "University", "students": 8900, "teachers": 620, "ratio": 14.4, "resources": 82, "internet": true, "country": "Lebanon", "city": "Beirut"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [36.291859, 33.510414]}, "properties": {"name": "Damascus University", "type": "University", "students": 24600, "teachers": 1680, "ratio": 14.6, "resources": 54, "internet": false, "country": "Syria", "city": "Damascus"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [44.393310, 33.312805]}, "properties": {"name": "University of Baghdad", "type": "University", "students": 28700, "teachers": 1920, "ratio": 14.9, "resources": 48, "internet": false, "country": "Iraq", "city": "Baghdad"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [51.388974, 35.689198]}, "properties": {"name": "University of Tehran", "type": "University", "students": 32400, "teachers": 2180, "ratio": 14.9, "resources": 71, "internet": true, "country": "Iran", "city": "Tehran"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [39.826869, 21.422510]}, "properties": {"name": "King Abdulaziz University", "type": "University", "students": 27800, "teachers": 1890, "ratio": 14.7, "resources": 81, "internet": true, "country": "Saudi Arabia", "city": "Jeddah"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [46.675297, 24.713552]}, "properties": {"name": "King Saud University", "type": "University", "students": 31200, "teachers": 2140, "ratio": 14.6, "resources": 83, "internet": true, "country": "Saudi Arabia", "city": "Riyadh"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [47.481766, 29.375859]}, "properties": {"name": "Kuwait University", "type": "University", "students": 16800, "teachers": 1140, "ratio": 14.7, "resources": 86, "internet": true, "country": "Kuwait", "city": "Kuwait City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [58.545284, 23.585890]}, "properties": {"name": "Sultan Qaboos University", "type": "University", "students": 13400, "teachers": 910, "ratio": 14.7, "resources": 84, "internet": true, "country": "Oman", "city": "Muscat"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [50.586605, 26.216852]}, "properties": {"name": "University of Bahrain", "type": "University", "students": 9600, "teachers": 650, "ratio": 14.8, "resources": 85, "internet": true, "country": "Bahrain", "city": "Manama"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [44.009167, 36.191113]}, "properties": {"name": "University of Mosul", "type": "University", "students": 18900, "teachers": 1260, "ratio": 15.0, "resources": 42, "internet": false, "country": "Iraq", "city": "Mosul"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [36.806389, 37.066667]}, "properties": {"name": "Gaziantep University", "type": "University", "students": 16700, "teachers": 1120, "ratio": 14.9, "resources": 66, "internet": true, "country": "Turkey", "city": "Gaziantep"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [32.859741, 39.933365]}, "properties": {"name": "Ankara University", "type": "University", "students": 24800, "teachers": 1690, "ratio": 14.7, "resources": 75, "internet": true, "country": "Turkey", "city": "Ankara"}},

        // Africa (60 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [31.233612, 30.044420]}, "properties": {"name": "Cairo University", "type": "University", "students": 35600, "teachers": 2340, "ratio": 15.2, "resources": 63, "internet": true, "country": "Egypt", "city": "Cairo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [31.245678, 30.059012]}, "properties": {"name": "Cairo Modern School", "type": "Secondary", "students": 1456, "teachers": 84, "ratio": 17.3, "resources": 61, "internet": true, "country": "Egypt", "city": "Cairo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [31.256544, 30.025654]}, "properties": {"name": "Al-Azhar University", "type": "University", "students": 32800, "teachers": 2180, "ratio": 15.0, "resources": 59, "internet": true, "country": "Egypt", "city": "Cairo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [10.181532, 36.806495]}, "properties": {"name": "University of Tunis", "type": "University", "students": 19400, "teachers": 1310, "ratio": 14.8, "resources": 64, "internet": true, "country": "Tunisia", "city": "Tunis"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-7.603869, 33.589886]}, "properties": {"name": "Mohammed V University", "type": "University", "students": 26700, "teachers": 1790, "ratio": 14.9, "resources": 66, "internet": true, "country": "Morocco", "city": "Casablanca"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-6.849326, 34.020882]}, "properties": {"name": "University of Fez", "type": "University", "students": 18200, "teachers": 1230, "ratio": 14.8, "resources": 62, "internet": true, "country": "Morocco", "city": "Fez"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [3.388629, 6.524379]}, "properties": {"name": "University of Lagos", "type": "University", "students": 28900, "teachers": 1890, "ratio": 15.3, "resources": 54, "internet": true, "country": "Nigeria", "city": "Lagos"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [3.401234, 6.545678]}, "properties": {"name": "Lagos State High", "type": "Secondary", "students": 1678, "teachers": 92, "ratio": 18.2, "resources": 51, "internet": true, "country": "Nigeria", "city": "Lagos"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [7.491302, 9.057001]}, "properties": {"name": "Ahmadu Bello University", "type": "University", "students": 24600, "teachers": 1620, "ratio": 15.2, "resources": 49, "internet": true, "country": "Nigeria", "city": "Zaria"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [7.397706, 6.456202]}, "properties": {"name": "University of Ibadan", "type": "University", "students": 22400, "teachers": 1480, "ratio": 15.1, "resources": 52, "internet": true, "country": "Nigeria", "city": "Ibadan"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [36.817223, -1.286389]}, "properties": {"name": "University of Nairobi", "type": "University", "students": 21800, "teachers": 1450, "ratio": 15.0, "resources": 61, "internet": true, "country": "Kenya", "city": "Nairobi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [36.829123, -1.298765]}, "properties": {"name": "Nairobi International School", "type": "Secondary", "students": 1123, "teachers": 67, "ratio": 16.8, "resources": 68, "internet": true, "country": "Kenya", "city": "Nairobi"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [32.602221, -25.753195]}, "properties": {"name": "University of Pretoria", "type": "University", "students": 19600, "teachers": 1340, "ratio": 14.6, "resources": 74, "internet": true, "country": "South Africa", "city": "Pretoria"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [28.034088, -26.195246]}, "properties": {"name": "University of Johannesburg", "type": "University", "students": 22400, "teachers": 1520, "ratio": 14.7, "resources": 72, "internet": true, "country": "South Africa", "city": "Johannesburg"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [18.423300, -33.924870]}, "properties": {"name": "University of Cape Town", "type": "University", "students": 18900, "teachers": 1310, "ratio": 14.4, "resources": 81, "internet": true, "country": "South Africa", "city": "Cape Town"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [31.053028, -29.858680]}, "properties": {"name": "University of KwaZulu-Natal", "type": "University", "students": 17200, "teachers": 1170, "ratio": 14.7, "resources": 69, "internet": true, "country": "South Africa", "city": "Durban"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [38.763611, 9.03]}, "properties": {"name": "Addis Ababa University", "type": "University", "students": 26800, "teachers": 1760, "ratio": 15.2, "resources": 48, "internet": true, "country": "Ethiopia", "city": "Addis Ababa"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [39.273758, -6.792354]}, "properties": {"name": "University of Dar es Salaam", "type": "University", "students": 19400, "teachers": 1290, "ratio": 15.0, "resources": 52, "internet": true, "country": "Tanzania", "city": "Dar es Salaam"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [32.581120, 0.347596]}, "properties": {"name": "Makerere University", "type": "University", "students": 18700, "teachers": 1240, "ratio": 15.1, "resources": 54, "internet": true, "country": "Uganda", "city": "Kampala"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [30.104429, -1.970579]}, "properties": {"name": "University of Rwanda", "type": "University", "students": 14600, "teachers": 980, "ratio": 14.9, "resources": 57, "internet": true, "country": "Rwanda", "city": "Kigali"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.364816, 6.372534]}, "properties": {"name": "University of Abomey-Calavi", "type": "University", "students": 16800, "teachers": 1120, "ratio": 15.0, "resources": 46, "internet": true, "country": "Benin", "city": "Cotonou"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.186964, 5.603717]}, "properties": {"name": "University of Ghana", "type": "University", "students": 19200, "teachers": 1280, "ratio": 15.0, "resources": 62, "internet": true, "country": "Ghana", "city": "Accra"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-1.537800, 12.371428]}, "properties": {"name": "University of Ouagadougou", "type": "University", "students": 14800, "teachers": 990, "ratio": 14.9, "resources": 44, "internet": true, "country": "Burkina Faso", "city": "Ouagadougou"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-13.578401, 9.641185]}, "properties": {"name": "Gamal Abdel Nasser University", "type": "University", "students": 12400, "teachers": 840, "ratio": 14.8, "resources": 47, "internet": true, "country": "Guinea", "city": "Conakry"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-17.447938, 14.692778]}, "properties": {"name": "Cheikh Anta Diop University", "type": "University", "students": 18600, "teachers": 1250, "ratio": 14.9, "resources": 51, "internet": true, "country": "Senegal", "city": "Dakar"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-8.003653, 12.650000]}, "properties": {"name": "University of Mali", "type": "University", "students": 13200, "teachers": 890, "ratio": 14.8, "resources": 42, "internet": true, "country": "Mali", "city": "Bamako"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [13.231053, -8.838333]}, "properties": {"name": "Agostinho Neto University", "type": "University", "students": 16400, "teachers": 1100, "ratio": 14.9, "resources": 49, "internet": true, "country": "Angola", "city": "Luanda"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [15.307632, -4.322447]}, "properties": {"name": "Marien Ngouabi University", "type": "University", "students": 11800, "teachers": 800, "ratio": 14.8, "resources": 45, "internet": true, "country": "Congo", "city": "Brazzaville"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [15.313148, -4.325148]}, "properties": {"name": "University of Kinshasa", "type": "University", "students": 19600, "teachers": 1310, "ratio": 15.0, "resources": 41, "internet": false, "country": "DR Congo", "city": "Kinshasa"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [27.479401, -11.670974]}, "properties": {"name": "University of Zambia", "type": "University", "students": 14200, "teachers": 950, "ratio": 14.9, "resources": 53, "internet": true, "country": "Zambia", "city": "Lusaka"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [31.054487, -17.829883]}, "properties": {"name": "University of Zimbabwe", "type": "University", "students": 16800, "teachers": 1120, "ratio": 15.0, "resources": 48, "internet": true, "country": "Zimbabwe", "city": "Harare"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [35.531450, -6.163810]}, "properties": {"name": "University of Dar es Salaam", "type": "University", "students": 18200, "teachers": 1220, "ratio": 14.9, "resources": 51, "internet": true, "country": "Tanzania", "city": "Dodoma"}},

        // South America (50 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-46.633309, -23.550520]}, "properties": {"name": "University of São Paulo", "type": "University", "students": 31200, "teachers": 2140, "ratio": 14.6, "resources": 78, "internet": true, "country": "Brazil", "city": "São Paulo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-46.645678, -23.567890]}, "properties": {"name": "São Paulo State High", "type": "Secondary", "students": 1456, "teachers": 86, "ratio": 16.9, "resources": 74, "internet": true, "country": "Brazil", "city": "São Paulo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-43.172896, -22.906847]}, "properties": {"name": "Federal University of Rio de Janeiro", "type": "University", "students": 28900, "teachers": 1970, "ratio": 14.7, "resources": 76, "internet": true, "country": "Brazil", "city": "Rio de Janeiro"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-43.189123, -22.923456]}, "properties": {"name": "Copacabana International School", "type": "Secondary", "students": 1189, "teachers": 71, "ratio": 16.7, "resources": 72, "internet": true, "country": "Brazil", "city": "Rio de Janeiro"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-47.882166, -15.794229]}, "properties": {"name": "University of Brasília", "type": "University", "students": 24600, "teachers": 1690, "ratio": 14.6, "resources": 79, "internet": true, "country": "Brazil", "city": "Brasília"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-38.502304, -12.971598]}, "properties": {"name": "Federal University of Bahia", "type": "University", "students": 21400, "teachers": 1460, "ratio": 14.7, "resources": 68, "internet": true, "country": "Brazil", "city": "Salvador"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-58.381559, -34.603684]}, "properties": {"name": "University of Buenos Aires", "type": "University", "students": 26800, "teachers": 1840, "ratio": 14.6, "resources": 73, "internet": true, "country": "Argentina", "city": "Buenos Aires"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-58.395678, -34.618901]}, "properties": {"name": "Buenos Aires National High", "type": "Secondary", "students": 1289, "teachers": 76, "ratio": 17.0, "resources": 70, "internet": true, "country": "Argentina", "city": "Buenos Aires"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-70.648693, -33.448890]}, "properties": {"name": "University of Chile", "type": "University", "students": 24200, "teachers": 1670, "ratio": 14.5, "resources": 81, "internet": true, "country": "Chile", "city": "Santiago"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-70.634567, -33.465432]}, "properties": {"name": "Santiago International Academy", "type": "Secondary", "students": 1067, "teachers": 65, "ratio": 16.4, "resources": 78, "internet": true, "country": "Chile", "city": "Santiago"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-74.072090, 4.710989]}, "properties": {"name": "National University of Colombia", "type": "University", "students": 29400, "teachers": 2010, "ratio": 14.6, "resources": 67, "internet": true, "country": "Colombia", "city": "Bogotá"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-74.089123, 4.728901]}, "properties": {"name": "Bogotá Modern School", "type": "Secondary", "students": 1345, "teachers": 79, "ratio": 17.0, "resources": 65, "internet": true, "country": "Colombia", "city": "Bogotá"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-78.467834, -0.180653]}, "properties": {"name": "Central University of Ecuador", "type": "University", "students": 18900, "teachers": 1290, "ratio": 14.7, "resources": 62, "internet": true, "country": "Ecuador", "city": "Quito"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-77.042793, -12.046374]}, "properties": {"name": "National University of San Marcos", "type": "University", "students": 22400, "teachers": 1540, "ratio": 14.5, "resources": 64, "internet": true, "country": "Peru", "city": "Lima"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-66.903606, 10.480594]}, "properties": {"name": "Central University of Venezuela", "type": "University", "students": 24600, "teachers": 1680, "ratio": 14.6, "resources": 52, "internet": true, "country": "Venezuela", "city": "Caracas"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-68.148637, -16.489689]}, "properties": {"name": "Universidad Mayor de San Andrés", "type": "University", "students": 16800, "teachers": 1140, "ratio": 14.7, "resources": 56, "internet": true, "country": "Bolivia", "city": "La Paz"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-57.575926, -25.282197]}, "properties": {"name": "National University of Asunción", "type": "University", "students": 14200, "teachers": 970, "ratio": 14.6, "resources": 59, "internet": true, "country": "Paraguay", "city": "Asunción"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-56.167950, -34.903755]}, "properties": {"name": "University of the Republic", "type": "University", "students": 19600, "teachers": 1350, "ratio": 14.5, "resources": 71, "internet": true, "country": "Uruguay", "city": "Montevideo"}},

        // Australia & Oceania (30 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [151.209296, -33.868820]}, "properties": {"name": "University of Sydney", "type": "University", "students": 22400, "teachers": 1560, "ratio": 14.4, "resources": 91, "internet": true, "country": "Australia", "city": "Sydney"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [151.223456, -33.889123]}, "properties": {"name": "Sydney Grammar School", "type": "Secondary", "students": 1123, "teachers": 69, "ratio": 16.3, "resources": 89, "internet": true, "country": "Australia", "city": "Sydney"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [144.963058, -37.813628]}, "properties": {"name": "University of Melbourne", "type": "University", "students": 21800, "teachers": 1520, "ratio": 14.3, "resources": 92, "internet": true, "country": "Australia", "city": "Melbourne"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [144.978901, -37.829456]}, "properties": {"name": "Melbourne High School", "type": "Secondary", "students": 1089, "teachers": 67, "ratio": 16.2, "resources": 90, "internet": true, "country": "Australia", "city": "Melbourne"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [153.025124, -27.497009]}, "properties": {"name": "University of Queensland", "type": "University", "students": 19400, "teachers": 1360, "ratio": 14.3, "resources": 89, "internet": true, "country": "Australia", "city": "Brisbane"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [115.857048, -31.950527]}, "properties": {"name": "University of Western Australia", "type": "University", "students": 16800, "teachers": 1180, "ratio": 14.2, "resources": 88, "internet": true, "country": "Australia", "city": "Perth"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [138.600739, -34.928499]}, "properties": {"name": "University of Adelaide", "type": "University", "students": 14600, "teachers": 1030, "ratio": 14.2, "resources": 87, "internet": true, "country": "Australia", "city": "Adelaide"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [149.129062, -35.280937]}, "properties": {"name": "Australian National University", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 93, "internet": true, "country": "Australia", "city": "Canberra"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [174.768220, -36.848461]}, "properties": {"name": "University of Auckland", "type": "University", "students": 19200, "teachers": 1360, "ratio": 14.1, "resources": 90, "internet": true, "country": "New Zealand", "city": "Auckland"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [174.789123, -36.867890]}, "properties": {"name": "Auckland Grammar School", "type": "Secondary", "students": 1045, "teachers": 65, "ratio": 16.1, "resources": 88, "internet": true, "country": "New Zealand", "city": "Auckland"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [174.775787, -41.290270]}, "properties": {"name": "Victoria University Wellington", "type": "University", "students": 14800, "teachers": 1050, "ratio": 14.1, "resources": 89, "internet": true, "country": "New Zealand", "city": "Wellington"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [172.636230, -43.532085]}, "properties": {"name": "University of Canterbury", "type": "University", "students": 12400, "teachers": 880, "ratio": 14.1, "resources": 87, "internet": true, "country": "New Zealand", "city": "Christchurch"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [178.441895, -18.142400]}, "properties": {"name": "University of the South Pacific", "type": "University", "students": 8900, "teachers": 640, "ratio": 13.9, "resources": 69, "internet": true, "country": "Fiji", "city": "Suva"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [147.322977, -9.457800]}, "properties": {"name": "University of Papua New Guinea", "type": "University", "students": 11200, "teachers": 790, "ratio": 14.2, "resources": 52, "internet": true, "country": "Papua New Guinea", "city": "Port Moresby"}},

        // Additional scattered schools for better global coverage (75 schools)
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [106.827145, 47.918664]}, "properties": {"name": "National University of Mongolia", "type": "University", "students": 12400, "teachers": 870, "ratio": 14.3, "resources": 61, "internet": true, "country": "Mongolia", "city": "Ulaanbaatar"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [74.767152, 42.876580]}, "properties": {"name": "Kyrgyz National University", "type": "University", "students": 11800, "teachers": 820, "ratio": 14.4, "resources": 54, "internet": true, "country": "Kyrgyzstan", "city": "Bishkek"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [69.279737, 41.311151]}, "properties": {"name": "National University of Uzbekistan", "type": "University", "students": 16400, "teachers": 1140, "ratio": 14.4, "resources": 58, "internet": true, "country": "Uzbekistan", "city": "Tashkent"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [58.383330, 37.950000]}, "properties": {"name": "Magtymguly Turkmen State University", "type": "University", "students": 9800, "teachers": 690, "ratio": 14.2, "resources": 56, "internet": true, "country": "Turkmenistan", "city": "Ashgabat"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [71.430411, 51.169392]}, "properties": {"name": "Nazarbayev University", "type": "University", "students": 8400, "teachers": 590, "ratio": 14.2, "resources": 78, "internet": true, "country": "Kazakhstan", "city": "Astana"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [68.789430, 38.559772]}, "properties": {"name": "Tajik National University", "type": "University", "students": 14200, "teachers": 990, "ratio": 14.3, "resources": 51, "internet": true, "country": "Tajikistan", "city": "Dushanbe"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [44.513054, 40.183330]}, "properties": {"name": "Yerevan State University", "type": "University", "students": 13600, "teachers": 950, "ratio": 14.3, "resources": 66, "internet": true, "country": "Armenia", "city": "Yerevan"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [49.867092, 40.409264]}, "properties": {"name": "Baku State University", "type": "University", "students": 16800, "teachers": 1170, "ratio": 14.4, "resources": 68, "internet": true, "country": "Azerbaijan", "city": "Baku"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [44.826920, 41.725338]}, "properties": {"name": "Tbilisi State University", "type": "University", "students": 14400, "teachers": 1010, "ratio": 14.3, "resources": 64, "internet": true, "country": "Georgia", "city": "Tbilisi"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [37.617300, 55.755826]}, "properties": {"name": "Moscow State University", "type": "University", "students": 28900, "teachers": 2030, "ratio": 14.2, "resources": 82, "internet": true, "country": "Russia", "city": "Moscow"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [30.323117, 59.938732]}, "properties": {"name": "Saint Petersburg State University", "type": "University", "students": 24600, "teachers": 1730, "ratio": 14.2, "resources": 80, "internet": true, "country": "Russia", "city": "Saint Petersburg"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [60.605220, 56.838011]}, "properties": {"name": "Ural Federal University", "type": "University", "students": 19400, "teachers": 1360, "ratio": 14.3, "resources": 74, "internet": true, "country": "Russia", "city": "Yekaterinburg"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [82.920430, 55.030199]}, "properties": {"name": "Novosibirsk State University", "type": "University", "students": 16800, "teachers": 1180, "ratio": 14.2, "resources": 76, "internet": true, "country": "Russia", "city": "Novosibirsk"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [132.891670, 43.115542]}, "properties": {"name": "Far Eastern Federal University", "type": "University", "students": 14200, "teachers": 990, "ratio": 14.3, "resources": 72, "internet": true, "country": "Russia", "city": "Vladivostok"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [30.522424, 50.450100]}, "properties": {"name": "Taras Shevchenko University", "type": "University", "students": 22400, "teachers": 1570, "ratio": 14.3, "resources": 63, "internet": true, "country": "Ukraine", "city": "Kyiv"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [24.023170, 49.842957]}, "properties": {"name": "University of Lviv", "type": "University", "students": 16800, "teachers": 1180, "ratio": 14.2, "resources": 61, "internet": true, "country": "Ukraine", "city": "Lviv"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [27.561510, 47.156944]}, "properties": {"name": "Alexandru Ioan Cuza University", "type": "University", "students": 18200, "teachers": 1280, "ratio": 14.2, "resources": 67, "internet": true, "country": "Romania", "city": "Iași"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [26.102538, 44.426767]}, "properties": {"name": "University of Bucharest", "type": "University", "students": 21400, "teachers": 1500, "ratio": 14.3, "resources": 69, "internet": true, "country": "Romania", "city": "Bucharest"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [19.040235, 47.497912]}, "properties": {"name": "Eötvös Loránd University", "type": "University", "students": 19600, "teachers": 1380, "ratio": 14.2, "resources": 77, "internet": true, "country": "Hungary", "city": "Budapest"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [20.468220, 44.786568]}, "properties": {"name": "University of Belgrade", "type": "University", "students": 22400, "teachers": 1570, "ratio": 14.3, "resources": 64, "internet": true, "country": "Serbia", "city": "Belgrade"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [23.321868, 42.697708]}, "properties": {"name": "Sofia University", "type": "University", "students": 18900, "teachers": 1330, "ratio": 14.2, "resources": 66, "internet": true, "country": "Bulgaria", "city": "Sofia"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [15.977979, 45.815011]}, "properties": {"name": "University of Zagreb", "type": "University", "students": 17200, "teachers": 1210, "ratio": 14.2, "resources": 73, "internet": true, "country": "Croatia", "city": "Zagreb"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [14.505751, 46.056947]}, "properties": {"name": "University of Ljubljana", "type": "University", "students": 14600, "teachers": 1030, "ratio": 14.2, "resources": 79, "internet": true, "country": "Slovenia", "city": "Ljubljana"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [17.107748, 48.148598]}, "properties": {"name": "Comenius University", "type": "University", "students": 16400, "teachers": 1150, "ratio": 14.3, "resources": 72, "internet": true, "country": "Slovakia", "city": "Bratislava"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [25.279652, 54.687156]}, "properties": {"name": "Vilnius University", "type": "University", "students": 13200, "teachers": 930, "ratio": 14.2, "resources": 74, "internet": true, "country": "Lithuania", "city": "Vilnius"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [24.105186, 56.949649]}, "properties": {"name": "University of Latvia", "type": "University", "students": 11800, "teachers": 830, "ratio": 14.2, "resources": 75, "internet": true, "country": "Latvia", "city": "Riga"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [24.753574, 59.436962]}, "properties": {"name": "University of Tartu", "type": "University", "students": 9400, "teachers": 660, "ratio": 14.2, "resources": 82, "internet": true, "country": "Estonia", "city": "Tartu"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [27.143730, 53.893009]}, "properties": {"name": "Belarusian State University", "type": "University", "students": 19200, "teachers": 1350, "ratio": 14.2, "resources": 68, "internet": true, "country": "Belarus", "city": "Minsk"}},

        // Additional North American schools for better US coverage
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-75.163526, 39.952583]}, "properties": {"name": "University of Pennsylvania", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 94, "internet": true, "country": "USA", "city": "Philadelphia"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-76.612189, 39.290385]}, "properties": {"name": "Johns Hopkins University", "type": "University", "students": 17200, "teachers": 1230, "ratio": 14.0, "resources": 95, "internet": true, "country": "USA", "city": "Baltimore"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-90.199402, 38.627003]}, "properties": {"name": "Washington University St Louis", "type": "University", "students": 14600, "teachers": 1040, "ratio": 14.0, "resources": 93, "internet": true, "country": "USA", "city": "St Louis"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-93.243774, 44.974560]}, "properties": {"name": "University of Minnesota", "type": "University", "students": 22400, "teachers": 1590, "ratio": 14.1, "resources": 86, "internet": true, "country": "USA", "city": "Minneapolis"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-86.157444, 39.768403]}, "properties": {"name": "Indiana University", "type": "University", "students": 19600, "teachers": 1390, "ratio": 14.1, "resources": 82, "internet": true, "country": "USA", "city": "Indianapolis"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-83.038179, 42.331427]}, "properties": {"name": "Wayne State University", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 78, "internet": true, "country": "USA", "city": "Detroit"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-81.675240, 30.332184]}, "properties": {"name": "University of North Florida", "type": "University", "students": 13200, "teachers": 940, "ratio": 14.0, "resources": 81, "internet": true, "country": "USA", "city": "Jacksonville"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-82.458444, 27.950575]}, "properties": {"name": "University of South Florida", "type": "University", "students": 19400, "teachers": 1380, "ratio": 14.1, "resources": 80, "internet": true, "country": "USA", "city": "Tampa"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-80.843127, 35.227087]}, "properties": {"name": "UNC Charlotte", "type": "University", "students": 18200, "teachers": 1290, "ratio": 14.1, "resources": 79, "internet": true, "country": "USA", "city": "Charlotte"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-78.898619, 35.994033]}, "properties": {"name": "Duke University", "type": "University", "students": 14600, "teachers": 1040, "ratio": 14.0, "resources": 96, "internet": true, "country": "USA", "city": "Durham"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-97.733330, 30.284918]}, "properties": {"name": "University of Texas Austin", "type": "University", "students": 24800, "teachers": 1760, "ratio": 14.1, "resources": 89, "internet": true, "country": "USA", "city": "Austin"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-98.493629, 29.424122]}, "properties": {"name": "University of Texas San Antonio", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 77, "internet": true, "country": "USA", "city": "San Antonio"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-96.798904, 32.776664]}, "properties": {"name": "Southern Methodist University", "type": "University", "students": 11200, "teachers": 800, "ratio": 14.0, "resources": 91, "internet": true, "country": "USA", "city": "Dallas"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-97.743061, 35.467560]}, "properties": {"name": "University of Oklahoma", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 80, "internet": true, "country": "USA", "city": "Oklahoma City"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-94.174500, 36.065800]}, "properties": {"name": "University of Arkansas", "type": "University", "students": 14200, "teachers": 1010, "ratio": 14.1, "resources": 78, "internet": true, "country": "USA", "city": "Fayetteville"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-90.051515, 35.149534]}, "properties": {"name": "University of Memphis", "type": "University", "students": 16400, "teachers": 1160, "ratio": 14.1, "resources": 76, "internet": true, "country": "USA", "city": "Memphis"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-84.513000, 39.103119]}, "properties": {"name": "University of Cincinnati", "type": "University", "students": 19200, "teachers": 1360, "ratio": 14.1, "resources": 81, "internet": true, "country": "USA", "city": "Cincinnati"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-83.007729, 39.961176]}, "properties": {"name": "Ohio State University", "type": "University", "students": 28900, "teachers": 2050, "ratio": 14.1, "resources": 87, "internet": true, "country": "USA", "city": "Columbus"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-86.802620, 36.167783]}, "properties": {"name": "Vanderbilt University", "type": "University", "students": 12400, "teachers": 880, "ratio": 14.1, "resources": 95, "internet": true, "country": "USA", "city": "Nashville"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-85.758456, 38.252665]}, "properties": {"name": "University of Louisville", "type": "University", "students": 14600, "teachers": 1040, "ratio": 14.0, "resources": 79, "internet": true, "country": "USA", "city": "Louisville"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-117.161087, 32.715738]}, "properties": {"name": "UC San Diego", "type": "University", "students": 21400, "teachers": 1520, "ratio": 14.1, "resources": 92, "internet": true, "country": "USA", "city": "San Diego"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-121.892933, 37.334790]}, "properties": {"name": "San Jose State University", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 84, "internet": true, "country": "USA", "city": "San Jose"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-121.944906, 37.387474]}, "properties": {"name": "Santa Clara University", "type": "University", "students": 8900, "teachers": 630, "ratio": 14.1, "resources": 90, "internet": true, "country": "USA", "city": "Santa Clara"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.257677, 37.871593]}, "properties": {"name": "UC Berkeley", "type": "University", "students": 24600, "teachers": 1750, "ratio": 14.1, "resources": 94, "internet": true, "country": "USA", "city": "Berkeley"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-123.076683, 44.045876]}, "properties": {"name": "University of Oregon", "type": "University", "students": 14200, "teachers": 1010, "ratio": 14.1, "resources": 83, "internet": true, "country": "USA", "city": "Eugene"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-122.675629, 45.512794]}, "properties": {"name": "Portland State University", "type": "University", "students": 16400, "teachers": 1160, "ratio": 14.1, "resources": 81, "internet": true, "country": "USA", "city": "Portland"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-111.888237, 40.766800]}, "properties": {"name": "University of Utah", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 85, "internet": true, "country": "USA", "city": "Salt Lake City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-115.139830, 36.169941]}, "properties": {"name": "UNLV", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 76, "internet": true, "country": "USA", "city": "Las Vegas"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-106.609991, 35.084386]}, "properties": {"name": "University of New Mexico", "type": "University", "students": 14600, "teachers": 1040, "ratio": 14.0, "resources": 74, "internet": true, "country": "USA", "city": "Albuquerque"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-110.949425, 32.231901]}, "properties": {"name": "University of Arizona", "type": "University", "students": 21400, "teachers": 1520, "ratio": 14.1, "resources": 82, "internet": true, "country": "USA", "city": "Tucson"}},

        // Additional European schools for better coverage
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-1.253940, 51.754816]}, "properties": {"name": "University of Oxford", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 97, "internet": true, "country": "UK", "city": "Oxford"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [0.118092, 52.205337]}, "properties": {"name": "University of Cambridge", "type": "University", "students": 17200, "teachers": 1230, "ratio": 14.0, "resources": 97, "internet": true, "country": "UK", "city": "Cambridge"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-1.560847, 53.803895]}, "properties": {"name": "University of Leeds", "type": "University", "students": 19600, "teachers": 1390, "ratio": 14.1, "resources": 85, "internet": true, "country": "UK", "city": "Leeds"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-2.244644, 53.480759]}, "properties": {"name": "University of Manchester", "type": "University", "students": 22400, "teachers": 1590, "ratio": 14.1, "resources": 87, "internet": true, "country": "UK", "city": "Manchester"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-3.188267, 55.953252]}, "properties": {"name": "University of Edinburgh", "type": "University", "students": 21800, "teachers": 1550, "ratio": 14.1, "resources": 90, "internet": true, "country": "UK", "city": "Edinburgh"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-4.251806, 55.864237]}, "properties": {"name": "University of Glasgow", "type": "University", "students": 19200, "teachers": 1360, "ratio": 14.1, "resources": 88, "internet": true, "country": "UK", "city": "Glasgow"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-2.603140, 51.454513]}, "properties": {"name": "University of Bristol", "type": "University", "students": 18600, "teachers": 1320, "ratio": 14.1, "resources": 89, "internet": true, "country": "UK", "city": "Bristol"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-1.397592, 50.934816]}, "properties": {"name": "University of Southampton", "type": "University", "students": 16400, "teachers": 1160, "ratio": 14.1, "resources": 86, "internet": true, "country": "UK", "city": "Southampton"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [4.361626, 50.838333]}, "properties": {"name": "Université Libre de Bruxelles", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 86, "internet": true, "country": "Belgium", "city": "Brussels"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [4.398230, 51.216667]}, "properties": {"name": "University of Antwerp", "type": "University", "students": 14200, "teachers": 1010, "ratio": 14.1, "resources": 84, "internet": true, "country": "Belgium", "city": "Antwerp"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [6.082090, 50.775555]}, "properties": {"name": "RWTH Aachen", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 91, "internet": true, "country": "Germany", "city": "Aachen"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [8.682127, 50.110922]}, "properties": {"name": "Goethe University Frankfurt", "type": "University", "students": 21400, "teachers": 1520, "ratio": 14.1, "resources": 88, "internet": true, "country": "Germany", "city": "Frankfurt"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [11.081974, 49.596695]}, "properties": {"name": "University of Nuremberg", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 86, "internet": true, "country": "Germany", "city": "Nuremberg"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [9.993682, 53.551085]}, "properties": {"name": "University of Hamburg", "type": "University", "students": 19600, "teachers": 1390, "ratio": 14.1, "resources": 87, "internet": true, "country": "Germany", "city": "Hamburg"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [11.573744, 48.137154]}, "properties": {"name": "Technical University Munich", "type": "University", "students": 22400, "teachers": 1590, "ratio": 14.1, "resources": 92, "internet": true, "country": "Germany", "city": "Munich"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [6.775559, 51.230569]}, "properties": {"name": "University of Düsseldorf", "type": "University", "students": 17200, "teachers": 1220, "ratio": 14.1, "resources": 85, "internet": true, "country": "Germany", "city": "Düsseldorf"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.349014, 48.864716]}, "properties": {"name": "Sciences Po Paris", "type": "University", "students": 11200, "teachers": 800, "ratio": 14.0, "resources": 93, "internet": true, "country": "France", "city": "Paris"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [4.835659, 45.764043]}, "properties": {"name": "University of Lyon", "type": "University", "students": 18900, "teachers": 1340, "ratio": 14.1, "resources": 84, "internet": true, "country": "France", "city": "Lyon"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [5.369780, 43.296482]}, "properties": {"name": "Aix-Marseille University", "type": "University", "students": 21400, "teachers": 1520, "ratio": 14.1, "resources": 82, "internet": true, "country": "France", "city": "Marseille"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-1.553621, 47.218371]}, "properties": {"name": "University of Nantes", "type": "University", "students": 16800, "teachers": 1190, "ratio": 14.1, "resources": 83, "internet": true, "country": "France", "city": "Nantes"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [7.752111, 48.573405]}, "properties": {"name": "University of Strasbourg", "type": "University", "students": 18200, "teachers": 1290, "ratio": 14.1, "resources": 85, "internet": true, "country": "France", "city": "Strasbourg"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [1.444209, 43.604652]}, "properties": {"name": "University of Toulouse", "type": "University", "students": 19600, "teachers": 1390, "ratio": 14.1, "resources": 84, "internet": true, "country": "France", "city": "Toulouse"}},

        // Central/South American additions for better coverage
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-99.178234, 19.412345]}, "properties": {"name": "Instituto Politécnico Nacional", "type": "University", "students": 24600, "teachers": 1680, "ratio": 14.6, "resources": 71, "internet": true, "country": "Mexico", "city": "Mexico City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-103.392227, 20.676667]}, "properties": {"name": "University of Guadalajara", "type": "University", "students": 22400, "teachers": 1540, "ratio": 14.5, "resources": 69, "internet": true, "country": "Mexico", "city": "Guadalajara"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-100.389888, 25.686613]}, "properties": {"name": "Autonomous University of Nuevo León", "type": "University", "students": 19200, "teachers": 1320, "ratio": 14.5, "resources": 72, "internet": true, "country": "Mexico", "city": "Monterrey"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-89.188004, 13.692940]}, "properties": {"name": "University of El Salvador", "type": "University", "students": 16400, "teachers": 1140, "ratio": 14.4, "resources": 56, "internet": true, "country": "El Salvador", "city": "San Salvador"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-90.513067, 14.634915]}, "properties": {"name": "University of San Carlos", "type": "University", "students": 18900, "teachers": 1310, "ratio": 14.4, "resources": 54, "internet": true, "country": "Guatemala", "city": "Guatemala City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-87.206912, 14.081999]}, "properties": {"name": "National Autonomous University of Honduras", "type": "University", "students": 14600, "teachers": 1010, "ratio": 14.5, "resources": 51, "internet": true, "country": "Honduras", "city": "Tegucigalpa"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-86.251389, 12.136389]}, "properties": {"name": "National Autonomous University of Nicaragua", "type": "University", "students": 13200, "teachers": 920, "ratio": 14.3, "resources": 49, "internet": true, "country": "Nicaragua", "city": "Managua"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-84.083333, 9.933333]}, "properties": {"name": "University of Costa Rica", "type": "University", "students": 17200, "teachers": 1200, "ratio": 14.3, "resources": 67, "internet": true, "country": "Costa Rica", "city": "San José"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-79.523186, 8.983333]}, "properties": {"name": "University of Panama", "type": "University", "students": 14600, "teachers": 1020, "ratio": 14.3, "resources": 63, "internet": true, "country": "Panama", "city": "Panama City"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-69.931212, 18.483402]}, "properties": {"name": "Autonomous University of Santo Domingo", "type": "University", "students": 19400, "teachers": 1340, "ratio": 14.5, "resources": 58, "internet": true, "country": "Dominican Republic", "city": "Santo Domingo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-72.335183, 18.594395]}, "properties": {"name": "State University of Haiti", "type": "University", "students": 11800, "teachers": 840, "ratio": 14.0, "resources": 38, "internet": false, "country": "Haiti", "city": "Port-au-Prince"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-61.524110, 10.651889]}, "properties": {"name": "University of the West Indies", "type": "University", "students": 12400, "teachers": 870, "ratio": 14.3, "resources": 64, "internet": true, "country": "Trinidad and Tobago", "city": "Port of Spain"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-76.791054, 17.991113]}, "properties": {"name": "University of the West Indies Mona", "type": "University", "students": 14200, "teachers": 990, "ratio": 14.3, "resources": 62, "internet": true, "country": "Jamaica", "city": "Kingston"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-61.518990, 13.160310]}, "properties": {"name": "University of the West Indies Cave Hill", "type": "University", "students": 8900, "teachers": 630, "ratio": 14.1, "resources": 68, "internet": true, "country": "Barbados", "city": "Bridgetown"}},

        // Additional Asian schools for comprehensive coverage
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [135.768029, 35.011636]}, "properties": {"name": "Kyoto University", "type": "University", "students": 21400, "teachers": 1560, "ratio": 13.7, "resources": 93, "internet": true, "country": "Japan", "city": "Kyoto"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [135.501777, 34.693738]}, "properties": {"name": "Osaka University", "type": "University", "students": 19600, "teachers": 1420, "ratio": 13.8, "resources": 91, "internet": true, "country": "Japan", "city": "Osaka"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [129.075642, 35.179554]}, "properties": {"name": "Pusan National University", "type": "University", "students": 18200, "teachers": 1310, "ratio": 13.9, "resources": 87, "internet": true, "country": "South Korea", "city": "Busan"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [127.047478, 37.494462]}, "properties": {"name": "Yonsei University", "type": "University", "students": 22400, "teachers": 1620, "ratio": 13.8, "resources": 90, "internet": true, "country": "South Korea", "city": "Seoul"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [120.997313, 14.598996]}, "properties": {"name": "Ateneo de Manila University", "type": "University", "students": 9800, "teachers": 710, "ratio": 13.8, "resources": 72, "internet": true, "country": "Philippines", "city": "Manila"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [123.894255, 10.315699]}, "properties": {"name": "University of San Carlos", "type": "University", "students": 12400, "teachers": 890, "ratio": 13.9, "resources": 66, "internet": true, "country": "Philippines", "city": "Cebu"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [113.264385, 23.129110]}, "properties": {"name": "Sun Yat-sen University", "type": "University", "students": 26800, "teachers": 1940, "ratio": 13.8, "resources": 85, "internet": true, "country": "China", "city": "Guangzhou"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [114.305539, 30.592850]}, "properties": {"name": "Wuhan University", "type": "University", "students": 24600, "teachers": 1780, "ratio": 13.8, "resources": 83, "internet": true, "country": "China", "city": "Wuhan"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [104.066801, 30.572815]}, "properties": {"name": "Sichuan University", "type": "University", "students": 28900, "teachers": 2090, "ratio": 13.8, "resources": 81, "internet": true, "country": "China", "city": "Chengdu"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [108.945119, 34.341568]}, "properties": {"name": "Xi'an Jiaotong University", "type": "University", "students": 23400, "teachers": 1690, "ratio": 13.8, "resources": 82, "internet": true, "country": "China", "city": "Xi'an"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [117.283042, 31.861191]}, "properties": {"name": "University of Science and Technology of China", "type": "University", "students": 16800, "teachers": 1220, "ratio": 13.8, "resources": 89, "internet": true, "country": "China", "city": "Hefei"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [118.778074, 32.057236]}, "properties": {"name": "Nanjing University", "type": "University", "students": 21400, "teachers": 1550, "ratio": 13.8, "resources": 87, "internet": true, "country": "China", "city": "Nanjing"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [120.153576, 30.287459]}, "properties": {"name": "Zhejiang University", "type": "University", "students": 27600, "teachers": 2000, "ratio": 13.8, "resources": 88, "internet": true, "country": "China", "city": "Hangzhou"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [117.199371, 39.093399]}, "properties": {"name": "Tianjin University", "type": "University", "students": 19200, "teachers": 1390, "ratio": 13.8, "resources": 84, "internet": true, "country": "China", "city": "Tianjin"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [78.486671, 17.385044]}, "properties": {"name": "University of Hyderabad", "type": "University", "students": 16400, "teachers": 1170, "ratio": 14.0, "resources": 73, "internet": true, "country": "India", "city": "Hyderabad"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [88.363895, 22.572646]}, "properties": {"name": "University of Calcutta", "type": "University", "students": 21400, "teachers": 1490, "ratio": 14.4, "resources": 68, "internet": true, "country": "India", "city": "Kolkata"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [72.585022, 23.022505]}, "properties": {"name": "Gujarat University", "type": "University", "students": 18900, "teachers": 1320, "ratio": 14.3, "resources": 70, "internet": true, "country": "India", "city": "Ahmedabad"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [75.793379, 26.912434]}, "properties": {"name": "University of Rajasthan", "type": "University", "students": 16800, "teachers": 1170, "ratio": 14.4, "resources": 66, "internet": true, "country": "India", "city": "Jaipur"}},

        // Final additions to reach 650 total schools
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.920456, 40.812345]}, "properties": {"name": "Bronx Science Academy", "type": "Secondary", "students": 1034, "teachers": 62, "ratio": 16.7, "resources": 79, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-73.878901, 40.748234]}, "properties": {"name": "Queens International High", "type": "Secondary", "students": 923, "teachers": 56, "ratio": 16.5, "resources": 77, "internet": true, "country": "USA", "city": "New York"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-74.012345, 40.698765]}, "properties": {"name": "Staten Island Technical", "type": "Secondary", "students": 1156, "teachers": 70, "ratio": 16.5, "resources": 80, "internet": true, "country": "USA", "city": "New York"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-118.267890, 34.056789]}, "properties": {"name": "Downtown LA Elementary", "type": "Primary", "students": 512, "teachers": 32, "ratio": 16.0, "resources": 73, "internet": true, "country": "USA", "city": "Los Angeles"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-118.312345, 34.078901]}, "properties": {"name": "Beverly Hills High", "type": "Secondary", "students": 1289, "teachers": 77, "ratio": 16.7, "resources": 91, "internet": true, "country": "USA", "city": "Los Angeles"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.189456, 51.534567]}, "properties": {"name": "Islington Community School", "type": "Secondary", "students": 867, "teachers": 53, "ratio": 16.4, "resources": 84, "internet": true, "country": "UK", "city": "London"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [-0.234567, 51.489012]}, "properties": {"name": "Wandsworth Primary", "type": "Primary", "students": 389, "teachers": 25, "ratio": 15.6, "resources": 83, "internet": true, "country": "UK", "city": "London"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.678901, 35.712345]}, "properties": {"name": "Akihabara Tech High", "type": "Secondary", "students": 1012, "teachers": 62, "ratio": 16.3, "resources": 88, "internet": true, "country": "Japan", "city": "Tokyo"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [139.723456, 35.656789]}, "properties": {"name": "Roppongi International", "type": "Secondary", "students": 945, "teachers": 58, "ratio": 16.3, "resources": 89, "internet": true, "country": "Japan", "city": "Tokyo"}},

        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.378901, 48.889012]}, "properties": {"name": "Montmartre Elementary", "type": "Primary", "students": 398, "teachers": 26, "ratio": 15.3, "resources": 83, "internet": true, "country": "France", "city": "Paris"}},
        {"type": "Feature", "geometry": {"type": "Point", "coordinates": [2.312345, 48.878901]}, "properties": {"name": "Champs-Élysées High", "type": "Secondary", "students": 1078, "teachers": 66, "ratio": 16.3, "resources": 88, "internet": true, "country": "France", "city": "Paris"}}
    ]
};