Rankings · California
Largest schools in Orange County, California
Ranked by enrollment — academic rankings appear once test-score data is loaded.
| # | School | City | District | Enrollment |
|---|---|---|---|---|
| 1 | California Online Public Schools Southern California charter | San Juan Capistrano | Capistrano Unified | 5141 |
| 2 | Fountain Valley High | Fountain Valley | Huntington Beach Union High | 3180 |
| 3 | Santa Ana High | Santa Ana | Santa Ana Unified | 3135 |
| 4 | Los Alamitos High | Los Alamitos | Los Alamitos Unified | 3055 |
| 5 | San Juan Hills High | San Juan Capistrano | Capistrano Unified | 2857 |
| 6 | San Clemente High | San Clemente | Capistrano Unified | 2838 |
| 7 | Cypress High | Cypress | Anaheim Union High | 2820 |
| 8 | Huntington Beach High | Huntington Beach | Huntington Beach Union High | 2807 |
| 9 | Arnold O. Beckman High | Irvine | Tustin Unified | 2798 |
| 10 | Aliso Niguel High | Aliso Viejo | Capistrano Unified | 2774 |
| 11 | Anaheim High | Anaheim | Anaheim Union High | 2750 |
| 12 | Westminster High | Westminster | Huntington Beach Union High | 2637 |
| 13 | Katella High | Anaheim | Anaheim Union High | 2587 |
| 14 | Troy High | Fullerton | Fullerton Joint Union High | 2584 |
| 15 | Trabuco Hills High | Mission Viejo | Saddleback Valley Unified | 2579 |
| 16 | Valencia High | Placentia | Placentia-Yorba Linda Unified | 2543 |
| 17 | Segerstrom High | Santa Ana | Santa Ana Unified | 2489 |
| 18 | Sunny Hills High | Fullerton | Fullerton Joint Union High | 2429 |
| 19 | Portola High | Irvine | Irvine Unified | 2293 |
| 20 | Foothill High | Santa Ana | Tustin Unified | 2276 |
| 21 | Newport Harbor High | Newport Beach | Newport-Mesa Unified | 2268 |
| 22 | OCSA charter | Santa Ana | Orange County Department of Education | 2252 |
| 23 | Northwood High | Irvine | Irvine Unified | 2251 |
| 24 | Garden Grove High | Garden Grove | Garden Grove Unified | 2247 |
| 25 | Woodbridge High | Irvine | Irvine Unified | 2218 |
| 26 | Tesoro High | Las Flores | Capistrano Unified | 2217 |
| 27 | Valley High | Santa Ana | Santa Ana Unified | 2197 |
| 28 | University High | Irvine | Irvine Unified | 2164 |
| 29 | Canyon High | Anaheim | Orange Unified | 2131 |
| 30 | La Quinta High | Westminster | Garden Grove Unified | 2111 |
| 31 | Villa Park High | Villa Park | Orange Unified | 2110 |
| 32 | Marina High | Huntington Beach | Huntington Beach Union High | 2089 |
| 33 | John F. Kennedy High | La Palma | Anaheim Union High | 2080 |
| 34 | Corona del Mar High | Newport Beach | Newport-Mesa Unified | 2059 |
| 35 | La Habra High | La Habra | Fullerton Joint Union High | 2054 |
| 36 | El Modena High | Orange | Orange Unified | 2040 |
| 37 | Edison High | Huntington Beach | Huntington Beach Union High | 2034 |
| 38 | El Dorado High | Placentia | Placentia-Yorba Linda Unified | 2034 |
| 39 | El Toro High | Lake Forest | Saddleback Valley Unified | 2031 |
| 40 | Capistrano Valley High | Mission Viejo | Capistrano Unified | 2029 |
| 41 | Hector G. Godinez | Santa Ana | Santa Ana Unified | 2026 |
| 42 | Tustin High | Tustin | Tustin Unified | 1990 |
| 43 | Dana Hills High | Dana Point | Capistrano Unified | 1965 |
| 44 | Santiago High | Garden Grove | Garden Grove Unified | 1927 |
| 45 | Fullerton Union High | Fullerton | Fullerton Joint Union High | 1880 |
| 46 | Irvine High | Irvine | Irvine Unified | 1862 |
| 47 | Orange High | Orange | Orange Unified | 1807 |
| 48 | Buena Park High | Buena Park | Fullerton Joint Union High | 1804 |
| 49 | Costa Mesa High | Costa Mesa | Newport-Mesa Unified | 1776 |
| 50 | Sonora High | La Habra | Fullerton Joint Union High | 1730 |
| 51 | Bolsa Grande High | Garden Grove | Garden Grove Unified | 1723 |
| 52 | Savanna High | Anaheim | Anaheim Union High | 1711 |
| 53 | Century High | Santa Ana | Santa Ana Unified | 1708 |
| 54 | Western High | Anaheim | Anaheim Union High | 1704 |
| 55 | Brea Olinda High | Brea | Brea-Olinda Unified | 1681 |
| 56 | Loara High | Anaheim | Anaheim Union High | 1650 |
| 57 | Pacifica High | Garden Grove | Garden Grove Unified | 1648 |
| 58 | Mission Viejo High | Mission Viejo | Saddleback Valley Unified | 1646 |
| 59 | Los Amigos High | Fountain Valley | Garden Grove Unified | 1604 |
| 60 | Saddleback High | Santa Ana | Santa Ana Unified | 1597 |
| 61 | Yorba Linda High | Yorba Linda | Placentia-Yorba Linda Unified | 1568 |
| 62 | Rancho Alamitos High | Garden Grove | Garden Grove Unified | 1557 |
| 63 | Magnolia High | Anaheim | Anaheim Union High | 1544 |
| 64 | Esperanza High | Anaheim | Placentia-Yorba Linda Unified | 1436 |
| 65 | Laguna Hills High | Laguna Hills | Saddleback Valley Unified | 1434 |
| 66 | Orchard Hills | Irvine | Tustin Unified | 1373 |
| 67 | South Junior High | Anaheim | Anaheim Union High | 1297 |
| 68 | Gonzalo Felicitas Mendez Fundamental Intermediate | Santa Ana | Santa Ana Unified | 1293 |
| 69 | Oxford Academy | Cypress | Anaheim Union High | 1289 |
| 70 | Lexington Junior High | Cypress | Anaheim Union High | 1283 |
| 71 | Sycamore Junior High | Anaheim | Anaheim Union High | 1269 |
| 72 | Ocean View High | Huntington Beach | Huntington Beach Union High | 1258 |
| 73 | ACCESS County Community | Costa Mesa | Orange County Department of Education | 1225 |
| 74 | Travis Ranch | Yorba Linda | Placentia-Yorba Linda Unified | 1217 |
| 75 | Sycamore Magnet Academy | Tustin | Tustin Unified | 1211 |
| 76 | Ladera Ranch Middle | Ladera Ranch | Capistrano Unified | 1196 |
| 77 | Douglas MacArthur Fundamental Intermediate | Santa Ana | Santa Ana Unified | 1145 |
| 78 | Sierra Vista Middle | Irvine | Irvine Unified | 1126 |
| 79 | El Rancho Charter charter | Anaheim | Orange Unified | 1108 |
| 80 | Marco Forster Middle | San Juan Capistrano | Capistrano Unified | 1082 |
| 81 | Raymond A. Villa Fundamental Intermediate | Santa Ana | Santa Ana Unified | 1082 |
| 82 | Santiago Charter Middle charter | Orange | Orange Unified | 1079 |
| 83 | Jeffrey Trail Middle | Irvine | Irvine Unified | 1077 |
| 84 | Woodbury Elementary | Irvine | Irvine Unified | 1069 |
| 85 | McFadden Institute of Technology | Santa Ana | Santa Ana Unified | 1063 |
| 86 | Cypress Village Elementary | Irvine | Irvine Unified | 1056 |
| 87 | Foothill Ranch Elementary | Foothill Ranch | Saddleback Valley Unified | 1056 |
| 88 | Rancho Santa Margarita Intermediate | Rancho Santa Margarita | Saddleback Valley Unified | 1041 |
| 89 | Estancia High | Costa Mesa | Newport-Mesa Unified | 1040 |
| 90 | Fred Newhart Middle | Mission Viejo | Capistrano Unified | 1038 |
| 91 | Beacon Park | Irvine | Irvine Unified | 1035 |
| 92 | Gerald P. Carr Intermediate | Santa Ana | Santa Ana Unified | 1026 |
| 93 | Stonegate Elementary | Irvine | Irvine Unified | 1011 |
| 94 | Epic California Academy charter | Anaheim | Orange County Department of Education | 1005 |
| 95 | Sharon Christa McAuliffe Middle | Los Alamitos | Los Alamitos Unified | 1004 |
| 96 | Oak Middle | Los Alamitos | Los Alamitos Unified | 1003 |
| 97 | Ethel Dwyer Middle | Huntington Beach | Huntington Beach City Elementary | 995 |
| 98 | Dale Junior High | Anaheim | Anaheim Union High | 983 |
| 99 | Beechwood Elementary | Fullerton | Fullerton Elementary | 979 |
| 100 | Serrano Intermediate | Lake Forest | Saddleback Valley Unified | 977 |
| 101 | Melinda Heights Elementary | Rancho Santa Margarita | Saddleback Valley Unified | 959 |
| 102 | El Sol Santa Ana Science and Arts Academy charter | Santa Ana | Santa Ana Unified | 956 |
| 103 | Kraemer Middle | Placentia | Placentia-Yorba Linda Unified | 954 |
| 104 | Santiago Elementary | Santa Ana | Santa Ana Unified | 944 |
| 105 | Ralph A. Gates DLI Magnet Elementary | Lake Forest | Saddleback Valley Unified | 940 |
| 106 | Ocia A. Peters Elementary | Garden Grove | Garden Grove Unified | 936 |
| 107 | Romero-Cruz Academy | Santa Ana | Santa Ana Unified | 932 |
| 108 | Laguna Beach High | Laguna Beach | Laguna Beach Unified | 930 |
| 109 | Cadence Park | Irvine | Irvine Unified | 924 |
| 110 | Don Juan Avila Middle | Aliso Viejo | Capistrano Unified | 916 |
| 111 | Oso Grande Elementary | Ladera Ranch | Capistrano Unified | 916 |
| 112 | Horace Ensign Intermediate | Newport Beach | Newport-Mesa Unified | 915 |
| 113 | Brea Junior High | Brea | Brea-Olinda Unified | 907 |
| 114 | Greenville Fundamental Elementary | Santa Ana | Santa Ana Unified | 907 |
| 115 | Martin R. Heninger Elementary | Santa Ana | Santa Ana Unified | 900 |
| 116 | Robert C. Fisler Elementary | Fullerton | Fullerton Elementary | 895 |
| 117 | Oak Creek Elementary | Irvine | Irvine Unified | 894 |
| 118 | Manuel Esqueda Elementary | Santa Ana | Santa Ana Unified | 892 |
| 119 | Portola Springs Elementary | Irvine | Irvine Unified | 887 |
| 120 | Bernice Ayer Middle | San Clemente | Capistrano Unified | 883 |
| 121 | Pioneer Middle | Tustin | Tustin Unified | 881 |
| 122 | Willis H. Warner Middle | Westminster | Westminster | 879 |
| 123 | Ross (Betsy) Elementary | Anaheim | Anaheim Elementary | 874 |
| 124 | Esencia | Rancho Mission Viejo | Capistrano Unified | 873 |
| 125 | Patton Elementary | Garden Grove | Garden Grove Unified | 872 |
| 126 | Hewes Middle | Santa Ana | Tustin Unified | 869 |
| 127 | Helen Stacey Middle | Huntington Beach | Westminster | 865 |
| 128 | Hicks Canyon Elementary | Irvine | Tustin Unified | 865 |
| 129 | Ponderosa Elementary | Anaheim | Anaheim Elementary | 856 |
| 130 | McPherson Magnet | Orange | Orange Unified | 848 |
| 131 | Fairmont Elementary | Yorba Linda | Placentia-Yorba Linda Unified | 846 |
| 132 | Oxford Preparatory Academy - South Orange County charter | Mission Viejo | Capistrano Unified | 846 |
| 133 | Walker Junior High | La Palma | Anaheim Union High | 846 |
| 134 | Lincoln (Abraham) Elementary | Anaheim | Anaheim Elementary | 841 |
| 135 | Yorba Linda Middle | Yorba Linda | Placentia-Yorba Linda Unified | 840 |
| 136 | Turtle Rock Elementary | Irvine | Irvine Unified | 835 |
| 137 | Jim Thorpe Fundamental | Santa Ana | Santa Ana Unified | 825 |
| 138 | Madison Elementary | Santa Ana | Santa Ana Unified | 825 |
| 139 | Westpark Elementary | Irvine | Irvine Unified | 825 |
| 140 | Aliso Viejo Middle | Aliso Viejo | Capistrano Unified | 819 |
| 141 | Alderwood Elementary | Irvine | Irvine Unified | 812 |
| 142 | Ball Junior High | Anaheim | Anaheim Union High | 812 |
| 143 | Rancho San Joaquin Middle | Irvine | Irvine Unified | 807 |
| 144 | Legacy Magnet Academy | Tustin | Tustin Unified | 806 |
| 145 | Samueli Academy charter | Santa Ana | Orange County Department of Education | 803 |
| 146 | Vista Verde | Irvine | Irvine Unified | 801 |
| 147 | Plaza Vista | Irvine | Irvine Unified | 795 |
| 148 | D. Russell Parks Junior High | Fullerton | Fullerton Elementary | 792 |
| 149 | Brookhurst Junior High | Anaheim | Anaheim Union High | 790 |
| 150 | Crescent Elementary | Anaheim | Orange Unified | 784 |