Alliance Marine – Innovation and Technology 6-12 Complex School had 49 12th-grade students during the 2020-2021 school year, according to the California Department of Education.
Visions In Education had the most 12th-grade students enrolled in California with 1,227.
According to the National Center for Education Services, California is expected to see public and secondary school enrollment decrease three percent from 2017-2029. The state expected to see the largest drop in enrollment is New Mexico with a projected 12 percent decrease, while Washington D.C. is expected to see a 14 percent increase over the same time period.
In a survey conducted by the Public Policy Institute of California, seven percent of respondents said large class sizes was the biggest issue facing California’s K-12 schools. In the same survey, 50 percent of the respondents said they did not view the financial resources their local public school was getting as adequate.
Largest 200 California Schools by Enrollment of 12th-Grade Students
| Rank | School | Attendance |
|---|---|---|
| 1 | Visions In Education | 1,227 |
| 2 | Granada Hills Charter High School | 1,132 |
| 3 | Eleanor Roosevelt High School | 1,090 |
| 4 | Paramount High School | 1,072 |
| 5 | Central High East Campus | 975 |
| 6 | Polytechnic High School | 951 |
| 7 | Downey High School | 925 |
| 8 | Santiago High School | 899 |
| 9 | Wilson High School | 897 |
| 10 | Millikan High School | 890 |
| 11 | El Camino Real Charter High School | 889 |
| 12 | Earl Warren High School | 878 |
| 13 | Rancho Cucamonga High School | 870 |
| 14 | Chaffey High School | 865 |
| 15 | Fountain Valley High School | 853 |
| 16 | Pittsburg Senior High School | 852 |
| 17 | James Logan High School | 846 |
| 18 | Berkeley High School | 836 |
| 19 | Etiwanda High School | 833 |
| 20 | Sweetwater High School | 827 |
| 21 | Milpitas High School | 810 |
| 22 | San Marcos High School | 805 |
| 22 | Vista Murrieta High School | 805 |
| 24 | Dougherty Valley High School | 802 |
| 25 | Arcadia High School | 793 |
| 26 | Los Alamitos High School | 790 |
| 27 | San Clemente High School | 788 |
| 28 | Los Osos High School | 786 |
| 29 | San Benito High School | 776 |
| 30 | Evergreen Valley High School | 766 |
| 31 | Redondo Union High School | 761 |
| 32 | Pacifica High School | 758 |
| 33 | Cypress High School | 753 |
| 34 | Clovis High School | 751 |
| 35 | Great Oak High School | 748 |
| 36 | California High School | 746 |
| 37 | Paloma Valley High School | 744 |
| 38 | Palisades Charter High School | 743 |
| 39 | Aliso Niguel High School | 742 |
| 40 | Sanger High School | 738 |
| 41 | Dublin High School | 737 |
| 42 | Arnold O. Beckman High School | 735 |
| 43 | Santa Monica High School | 734 |
| 44 | Independence High School | 732 |
| 45 | San Ysidro High School | 731 |
| 45 | Santa Ana High School | 731 |
| 47 | Upland High School | 730 |
| 47 | William J. (Pete) Knight High School | 730 |
| 49 | Temecula Valley High School | 727 |
| 50 | Lowell High School | 719 |
| 51 | Birmingham Community Charter High School | 718 |
| 52 | Eastlake High School | 715 |
| 53 | Alisal High School | 706 |
| 54 | Quartz Hill High School | 705 |
| 55 | Valencia High School | 704 |
| 56 | Ruben S. Ayala High School | 696 |
| 56 | Chaparral High School | 696 |
| 58 | Franklin High School | 695 |
| 58 | Centennial High School | 695 |
| 60 | San Juan Hills High School | 694 |
| 61 | Martin Luther King Jr. High School | 693 |
| 61 | Ridgeview High School | 693 |
| 63 | Lakewood High School | 691 |
| 64 | Calexico High School | 690 |
| 65 | Santa Maria High School | 688 |
| 66 | Cajon High School | 687 |
| 66 | Chino Hills High School | 687 |
| 66 | Bakersfield High School | 687 |
| 69 | Huntington Beach High School | 686 |
| 70 | Amador Valley High School | 683 |
| 71 | Castro Valley High School | 681 |
| 71 | Madera South High School | 681 |
| 73 | Stanislaus Alternative Charter School | 678 |
| 74 | Opportunities for Learning – Baldwin Park | 675 |
| 74 | Grover Cleveland Charter High School | 675 |
| 76 | Lincoln High School | 670 |
| 77 | El Camino High School | 666 |
| 77 | Capistrano Connections Academy | 666 |
| 79 | Yucaipa High School | 665 |
| 80 | Beaumont Senior High School | 661 |
| 81 | Westminster High School | 658 |
| 81 | Liberty High School | 658 |
| 83 | Trabuco Hills High School | 657 |
| 84 | Oxnard High School | 656 |
| 85 | Sunnyside High School | 655 |
| 85 | Heritage High School | 655 |
| 87 | Highland High School | 654 |
| 88 | Montclair High School | 652 |
| 89 | Mission Hills High School | 651 |
| 90 | Mira Monte High School | 650 |
| 91 | Canyon Crest Academy | 649 |
| 92 | Mira Costa High School | 648 |
| 93 | Valencia High School | 647 |
| 94 | Katella High School | 644 |
| 95 | Edison High School | 642 |
| 96 | Modesto High School | 636 |
| 97 | Crescenta Valley High School | 635 |
| 97 | California High School | 635 |
| 99 | Heritage High School | 634 |
| 100 | Coachella Valley High School | 629 |
| 100 | Dana Hills High School | 629 |
| 100 | Murrieta Mesa High School | 629 |
| 103 | John H. Francis Polytechnic High School | 628 |
| 104 | Valley View High School | 627 |
| 104 | Salinas High School | 627 |
| 104 | Everett Alvarez High School | 627 |
| 107 | Channel Islands High School | 626 |
| 108 | Sheldon High School | 625 |
| 108 | San Leandro High School | 625 |
| 110 | La Serna High School | 624 |
| 111 | Troy High School | 623 |
| 112 | Buchanan High School | 622 |
| 113 | Folsom High School | 621 |
| 114 | Stockdale High School | 619 |
| 115 | Summit High School | 618 |
| 116 | Diamond Bar High School | 617 |
| 116 | Burbank High School | 617 |
| 118 | Carlsbad High School | 616 |
| 118 | Glendora High School | 616 |
| 120 | Alhambra High School | 615 |
| 121 | Henry High School | 614 |
| 122 | Tesoro High School | 613 |
| 123 | Clovis North High School | 612 |
| 124 | Granite Hills High School | 611 |
| 124 | Golden Valley High School | 611 |
| 126 | Silver Creek High School | 609 |
| 126 | Schurr High School | 609 |
| 128 | Alexander Hamilton Senior High School | 608 |
| 129 | Montebello High School | 607 |
| 130 | Palmdale High School | 606 |
| 131 | Newbury Park High School | 605 |
| 132 | Redlands Senior High School | 604 |
| 132 | Clovis East High School | 604 |
| 134 | Oak Ridge High School | 603 |
| 135 | Fremont High School | 602 |
| 135 | James C. Enochs High School | 602 |
| 137 | Marina High School | 601 |
| 138 | Burroughs High School | 600 |
| 139 | Monte Vista High School | 599 |
| 140 | Bell Gardens High School | 598 |
| 141 | Menlo-Atherton High School | 597 |
| 141 | Helix High School | 597 |
| 141 | Foothill High School | 597 |
| 141 | John Marshall Senior High School | 597 |
| 145 | Turlock High School | 596 |
| 145 | Homestead High School | 596 |
| 145 | Westview High School | 596 |
| 145 | Rialto High School | 596 |
| 145 | Eastside High School | 596 |
| 150 | one.Charter School | 595 |
| 151 | Chula Vista Senior High School | 594 |
| 151 | Bullard High School | 594 |
| 153 | Van Nuys Senior High School | 593 |
| 154 | Davis Senior High School | 592 |
| 155 | West Ranch High School | 591 |
| 156 | Freedom High School | 590 |
| 156 | Pleasant Grove High School | 590 |
| 158 | Anaheim High School | 589 |
| 159 | Otay Ranch Senior High School | 588 |
| 160 | Hemet High School | 585 |
| 160 | Olympian High School | 585 |
| 160 | Pioneer Valley High School | 585 |
| 163 | Arroyo Valley High School | 584 |
| 163 | Newport Harbor High School | 584 |
| 165 | Escondido High School | 583 |
| 165 | Rancho Bernardo High School | 583 |
| 167 | Garden Grove High School | 582 |
| 167 | Palos Verdes Peninsula High School | 582 |
| 169 | Highland High School | 581 |
| 169 | American High School | 581 |
| 171 | Monta Vista High School | 579 |
| 171 | Claremont High School | 579 |
| 173 | Bloomington High School | 578 |
| 173 | Edison High School | 578 |
| 175 | Alta Loma High School | 577 |
| 175 | Lancaster High School | 577 |
| 175 | Walnut High School | 577 |
| 175 | Hector G. Godinez School | 577 |
| 179 | Culver City High School | 576 |
| 180 | Ontario High School | 575 |
| 180 | San Jacinto High School | 575 |
| 180 | Del Norte High School | 575 |
| 183 | Bonita Vista Senior High School | 574 |
| 183 | La Quinta High School | 574 |
| 183 | Saugus High School | 574 |
| 186 | La Quinta High School | 571 |
| 186 | James A. Garfield Senior High School | 571 |
| 188 | Valhalla High School | 570 |
| 189 | Los Altos High School | 569 |
| 190 | San Ramon Valley High School | 568 |
| 191 | Irvington High School | 567 |
| 192 | Redwood High School | 564 |
| 193 | Poway High School | 563 |
| 193 | Torrey Pines High School | 563 |
| 193 | Rosemead High School | 563 |
| 193 | Arvin High School | 563 |
| 197 | River City High School | 562 |
| 197 | Carlmont High School | 562 |
| 199 | Rio Mesa High School | 561 |
| 199 | Cerritos High School | 561 |
