Rankings · California
Largest schools in Contra Costa County, California
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | Pittsburg Senior High | Pittsburg | Pittsburg Unified | 3494 |
| 2 | Dougherty Valley High | San Ramon | San Ramon Valley Unified | 3255 |
| 3 | California High | San Ramon | San Ramon Valley Unified | 2879 |
| 4 | Liberty High | Brentwood | Liberty Union High | 2786 |
| 5 | Heritage High | Brentwood | Liberty Union High | 2559 |
| 6 | Freedom High | Oakley | Liberty Union High | 2527 |
| 7 | Clayton Valley Charter High charter | Concord | Contra Costa County Office of Education | 2381 |
| 8 | Monte Vista High | Danville | San Ramon Valley Unified | 2243 |
| 9 | San Ramon Valley High | Danville | San Ramon Valley Unified | 1981 |
| 10 | Antioch High | Antioch | Antioch Unified | 1960 |
| 11 | College Park High | Pleasant Hill | Mt. Diablo Unified | 1956 |
| 12 | Deer Valley High | Antioch | Antioch Unified | 1851 |
| 13 | Las Lomas High | Walnut Creek | Acalanes Union High | 1571 |
| 14 | El Cerrito High | El Cerrito | West Contra Costa Unified | 1522 |
| 15 | Northgate High | Walnut Creek | Mt. Diablo Unified | 1507 |
| 16 | Mt. Diablo High | Concord | Mt. Diablo Unified | 1498 |
| 17 | Richmond High | Richmond | West Contra Costa Unified | 1431 |
| 18 | Campolindo High | Moraga | Acalanes Union High | 1343 |
| 19 | Pinole Valley High | Pinole | West Contra Costa Unified | 1280 |
| 20 | Acalanes High | Lafayette | Acalanes Union High | 1259 |
| 21 | De Anza High | Richmond | West Contra Costa Unified | 1237 |
| 22 | Ygnacio Valley High | Concord | Mt. Diablo Unified | 1172 |
| 23 | Miramonte High | Orinda | Acalanes Union High | 1169 |
| 24 | Concord High | Concord | Mt. Diablo Unified | 1167 |
| 25 | William B. Bristow Middle | Brentwood | Brentwood Union | 1158 |
| 26 | Making Waves Academy charter | Richmond | Contra Costa County Office of Education | 1124 |
| 27 | Windemere Ranch Middle | San Ramon | San Ramon Valley Unified | 1107 |
| 28 | Alhambra Senior High | Martinez | Martinez Unified | 1105 |
| 29 | Gale Ranch Middle | San Ramon | San Ramon Valley Unified | 1075 |
| 30 | Adams (J. Douglas) Middle | Brentwood | Brentwood Union | 1067 |
| 31 | M. H. Stanley Middle | Lafayette | Lafayette Elementary | 1064 |
| 32 | Iron Horse Middle | San Ramon | San Ramon Valley Unified | 1009 |
| 33 | Park Middle | Antioch | Antioch Unified | 996 |
| 34 | Edna Hill Middle | Brentwood | Brentwood Union | 995 |
| 35 | Walnut Creek Intermediate | Walnut Creek | Walnut Creek Elementary | 985 |
| 36 | Pine Valley Middle | San Ramon | San Ramon Valley Unified | 957 |
| 37 | Pioneer Elementary | Brentwood | Brentwood Union | 941 |
| 38 | Vista Oaks Charter charter | Lodi | Byron Union Elementary | 936 |
| 39 | Caliber: Beta Academy charter | San Pablo | Contra Costa County Office of Education | 913 |
| 40 | Delta Vista Middle | Oakley | Oakley Union Elementary | 910 |
| 41 | Hillview Junior High | Pittsburg | Pittsburg Unified | 910 |
| 42 | Diablo Vista Middle | Danville | San Ramon Valley Unified | 889 |
| 43 | Charlotte Wood Middle | Danville | San Ramon Valley Unified | 878 |
| 44 | Foothill Middle | Walnut Creek | Mt. Diablo Unified | 876 |
| 45 | Sequoia Middle | Pleasant Hill | Mt. Diablo Unified | 856 |
| 46 | Quail Run Elementary | San Ramon | San Ramon Valley Unified | 853 |
| 47 | El Dorado Middle | Concord | Mt. Diablo Unified | 832 |
| 48 | Orinda Intermediate | Orinda | Orinda Union | 832 |
| 49 | John F. Kennedy High | Richmond | West Contra Costa Unified | 823 |
| 50 | Brentwood Elementary | Brentwood | Brentwood Union | 821 |
| 51 | Hidden Valley Elementary | Martinez | Mt. Diablo Unified | 809 |
| 52 | R. Paul Krey Elementary | Brentwood | Brentwood Union | 792 |
| 53 | Rancho Medanos Junior High | Pittsburg | Pittsburg Unified | 791 |
| 54 | Garin Elementary | Brentwood | Brentwood Union | 790 |
| 55 | Valley View Middle | Pleasant Hill | Mt. Diablo Unified | 777 |
| 56 | O'Hara Park Middle | Oakley | Oakley Union Elementary | 772 |
| 57 | Martinez Junior High | Martinez | Martinez Unified | 767 |
| 58 | Riverview Middle | Bay Point | Mt. Diablo Unified | 766 |
| 59 | Meadow Homes Elementary | Concord | Mt. Diablo Unified | 748 |
| 60 | Marsh Creek Elementary | Brentwood | Brentwood Union | 747 |
| 61 | Martin Luther King Jr. Junior High | Pittsburg | Pittsburg Unified | 738 |
| 62 | Hercules High | Hercules | West Contra Costa Unified | 734 |
| 63 | Oak Grove Middle | Concord | Mt. Diablo Unified | 720 |
| 64 | Orchard Park | Oakley | Antioch Unified | 716 |
| 65 | Dallas Ranch Middle | Antioch | Antioch Unified | 710 |
| 66 | Mary Casey Black Elementary | Brentwood | Brentwood Union | 701 |
| 67 | Pleasant Hill Middle | Pleasant Hill | Mt. Diablo Unified | 700 |
| 68 | Dozier-Libbey Medical High | Antioch | Antioch Unified | 699 |
| 69 | Mt. Diablo Elementary | Clayton | Mt. Diablo Unified | 693 |
| 70 | Burton Valley Elementary | Lafayette | Lafayette Elementary | 684 |
| 71 | Fred T. Korematsu Middle | El Cerrito | West Contra Costa Unified | 681 |
| 72 | Bancroft Elementary | Walnut Creek | Mt. Diablo Unified | 675 |
| 73 | Gehringer Elementary | Oakley | Oakley Union Elementary | 674 |
| 74 | Rocketship Futuro Academy charter | Concord | Mt. Diablo Unified | 672 |
| 75 | Antioch Middle | Antioch | Antioch Unified | 660 |
| 76 | Coyote Creek Elementary | San Ramon | San Ramon Valley Unified | 660 |
| 77 | Greenbrook Elementary | Danville | San Ramon Valley Unified | 657 |
| 78 | Loma Vista Elementary | Brentwood | Brentwood Union | 653 |
| 79 | Muir (John) Elementary | Antioch | Antioch Unified | 650 |
| 80 | Ron Nunn Elementary | Brentwood | Brentwood Union | 646 |
| 81 | Golden View Elementary | San Ramon | San Ramon Valley Unified | 643 |
| 82 | Twin Creeks Elementary | San Ramon | San Ramon Valley Unified | 639 |
| 83 | Walnut Acres Elementary | Walnut Creek | Mt. Diablo Unified | 638 |
| 84 | Montevideo Elementary | San Ramon | San Ramon Valley Unified | 631 |
| 85 | Valhalla Elementary | Pleasant Hill | Mt. Diablo Unified | 631 |
| 86 | Joaquin Moraga Intermediate | Moraga | Moraga Elementary | 629 |
| 87 | Los Medanos Elementary | Pittsburg | Pittsburg Unified | 626 |
| 88 | Pleasant Hill Elementary | Pleasant Hill | Mt. Diablo Unified | 614 |
| 89 | Summit Public School: Tamalpais charter | Richmond | West Contra Costa Unified | 613 |
| 90 | Stoneman Elementary | Pittsburg | Pittsburg Unified | 595 |
| 91 | Sequoia Elementary | Pleasant Hill | Mt. Diablo Unified | 593 |
| 92 | Aspire Richmond Ca. College Preparatory Academy charter | Richmond | West Contra Costa Unified | 591 |
| 93 | Delta View Elementary | Pittsburg | Mt. Diablo Unified | 591 |
| 94 | Helms Middle | San Pablo | West Contra Costa Unified | 591 |
| 95 | Hercules Middle | Hercules | West Contra Costa Unified | 590 |
| 96 | Pine Hollow Middle | Concord | Mt. Diablo Unified | 589 |
| 97 | Sycamore Valley Elementary | Danville | San Ramon Valley Unified | 589 |
| 98 | Marina Vista Elementary | Pittsburg | Pittsburg Unified | 587 |
| 99 | Willow Cove Elementary | Pittsburg | Pittsburg Unified | 583 |
| 100 | Stone Valley Middle | Alamo | San Ramon Valley Unified | 580 |
| 101 | Strandwood Elementary | Pleasant Hill | Mt. Diablo Unified | 578 |
| 102 | Rocketship Delta Prep charter | Antioch | Antioch Unified | 573 |
| 103 | Rodeo Hills Elementary | Rodeo | John Swett Unified | 571 |
| 104 | Vista Independent Study / Virtual Academy | San Pablo | West Contra Costa Unified | 568 |
| 105 | Live Oak Elementary | San Ramon | San Ramon Valley Unified | 567 |
| 106 | Grant Elementary | Richmond | West Contra Costa Unified | 562 |
| 107 | Richmond College Preparatory charter | Richmond | West Contra Costa Unified | 562 |
| 108 | Leadership Public Schools: Richmond charter | Richmond | West Contra Costa Unified | 556 |
| 109 | Parkside Elementary | Pittsburg | Pittsburg Unified | 552 |
| 110 | Creekside Elementary | Danville | San Ramon Valley Unified | 551 |
| 111 | Hidden Hills Elementary | San Ramon | San Ramon Valley Unified | 545 |
| 112 | Vista Grande Elementary | Danville | San Ramon Valley Unified | 543 |
| 113 | Aspire Richmond Technology Academy charter | Richmond | West Contra Costa Unified | 542 |
| 114 | Monte Gardens Elementary | Concord | Mt. Diablo Unified | 539 |
| 115 | Foothill Elementary | Pittsburg | Pittsburg Unified | 537 |
| 116 | Peres Elementary | Richmond | West Contra Costa Unified | 537 |
| 117 | Heights Elementary | Pittsburg | Pittsburg Unified | 532 |
| 118 | Dover Elementary | San Pablo | West Contra Costa Unified | 530 |
| 119 | Marsh Elementary | Antioch | Antioch Unified | 530 |
| 120 | Summer Lake Elementary | Oakley | Oakley Union Elementary | 522 |
| 121 | John Swett Elementary | Martinez | Martinez Unified | 521 |
| 122 | Lafayette Elementary | Lafayette | — | 521 |
| 123 | Country Club Elementary | San Ramon | San Ramon Valley Unified | 516 |
| 124 | Silverwood Elementary | Concord | Mt. Diablo Unified | 515 |
| 125 | Lone Tree Elementary | Antioch | Antioch Unified | 513 |
| 126 | Diablo View Middle | Clayton | Mt. Diablo Unified | 512 |
| 127 | Mira Vista Elementary | Richmond | West Contra Costa Unified | 512 |
| 128 | Green Valley Elementary | Danville | San Ramon Valley Unified | 511 |
| 129 | Walt Disney Elementary | San Ramon | San Ramon Valley Unified | 507 |
| 130 | Morello Park Elementary | Martinez | Martinez Unified | 506 |
| 131 | Summit Public School K2 charter | El Cerrito | Contra Costa County Office of Education | 506 |
| 132 | Fairmont Elementary | El Cerrito | West Contra Costa Unified | 503 |
| 133 | Montair Elementary | Danville | San Ramon Valley Unified | 503 |
| 134 | Neil A. Armstrong Elementary | San Ramon | San Ramon Valley Unified | 502 |
| 135 | Richmond Charter Elementary-Benito Juarez charter | Richmond | West Contra Costa Unified | 502 |
| 136 | Tassajara Hills Elementary | Danville | San Ramon Valley Unified | 502 |
| 137 | Bella Vista Elementary | San Ramon | San Ramon Valley Unified | 500 |
| 138 | Los Cerros Middle | Danville | San Ramon Valley Unified | 500 |
| 139 | Bollinger Canyon Elementary | San Ramon | San Ramon Valley Unified | 497 |
| 140 | Iron House Elementary | Oakley | Oakley Union Elementary | 496 |
| 141 | Highlands Elementary | Concord | Mt. Diablo Unified | 492 |
| 142 | Highlands Elementary | Pittsburg | Pittsburg Unified | 483 |
| 143 | Mission Elementary | Antioch | Antioch Unified | 479 |
| 144 | Cambridge Elementary | Concord | Mt. Diablo Unified | 476 |
| 145 | Harding Elementary | El Cerrito | West Contra Costa Unified | 475 |
| 146 | Montalvin Manor Elementary | San Pablo | West Contra Costa Unified | 475 |
| 147 | Almond Grove Elementary | Oakley | Oakley Union Elementary | 471 |
| 148 | Diablo Vista Elementary | Antioch | Antioch Unified | 470 |
| 149 | Jack London Elementary | Antioch | Antioch Unified | 468 |
| 150 | Valle Verde Elementary | Walnut Creek | Mt. Diablo Unified | 467 |