Top Counties

Average API scores for counties with 100 or more schools.

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Rank County Schools Avg API 1 Santa Clara 328 706.7 2 Sonoma 117 699.6 3 San Mateo 153 689.3 4 Contra Costa 193 682.9 5 Orange 462 673.8 6 Ventura 165 670.9 7 San Diego 501 669.4 8 Alameda 286 651.0 9 Sacramento 277 644.2 10 San Francisco 101 638.7 11 Stanislaus 107 628.9 12 San Joaquin 132 595.9 13 Riverside 293 590.5 14 Kern 187 588.2 15 San Bernardino 378 587.1 16 Los Angeles 1,547 583.4 17 Fresno 219 575.1 18 Tulare 115 534.5

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Source: Average API scores compiled by The Times using data from California Department of Education