| Name |
County |
| South San Francisco High School |
San Mateo County |
| South Tahoe High School |
El Dorado County |
| South Valley High School |
Mendocino County |
| Southeast Academy High School |
Los Angeles County |
| Southern California Yeshiva High School |
San Diego County |
| Southern Humbolt Community High School |
Humboldt County |
| Southern Trinity High School |
Trinity County |
| Southwest High School |
Imperial County |
| Southwest Senior High School |
San Diego County |
| Spring Hill High School |
Mariposa County |
| Stagg High School |
San Joaquin County |
| Stars High School |
Alameda County |
| Steele Canyon High School |
San Diego County |
| Stockdale High School |
Kern County |
| Stoney Point High School |
Los Angeles County |
| Strathmore Union High School |
Tulare County |
| Street Academy Alternative High School |
Alameda County |
| Stuart Hall High School |
San Francisco County |
| Sultana High School |
San Bernardino County |
| Summerville High School |
Tuolumne County |
| Summit Collegiate High School |
Tulare County |
| Summit Collegiate High School |
Tulare County |
| Summit Everest Public High School |
San Mateo County |
| Summit High School |
San Bernardino County |
| Summit High School |
Contra Costa County |
| Summit Leadership Academy High Desert |
San Bernardino County |
| Summit Preparatory Charter High School |
San Mateo County |
| Sunny Hills High School |
Orange County |
| Sunnyside High School |
Fresno County |
| Sunrise Continuation High School |
Kings County |
| Sunset Continuation High School |
San Diego County |
| Sunset High School |
Del Norte County |
| Surprise Valley High School |
Modoc County |
| Susan Miller Dorsey Senior High School |
Los Angeles County |
| Sutter Union High School |
Sutter County |
| Sweetwater High School |
San Diego County |
| Sycamore Alternative High School |
Orange County |
| Sylmar Charter High School |
Los Angeles County |
| Taft Union High School |
Kern County |
| Tahoe - Truckee High School |
Nevada County |
| Tahquitz High School |
Riverside County |
| Tamalpais High School |
Marin County |
| Tamiscal Alternative High School |
Marin County |
| Technology High School |
Sonoma County |
| Tehachapi High School |
Kern County |
| Temecula Valley High School |
Riverside County |
| Temescal Canyon High School |
Riverside County |
| Temple City High School |
Los Angeles County |
| Templeton High School |
San Luis Obispo County |
| Templeton Independent Study High School |
San Luis Obispo County |
| Tennyson High School |
Alameda County |
| Terra Linda High School |
Marin County |
| Terra Nova High School |
San Mateo County |
| Tesoro High School |
Orange County |
| The Academy |
Riverside County |
| The Bay School of San Francisco |
San Francisco County |
| The Branson School |
Marin County |
| The College Preparatory School |
Alameda County |
| The Education Corps Saito High School |
Los Angeles County |
| The Harker School - Upper School Campus |
Santa Clara County |
| The High School at Moorpark College |
Ventura County |
| The Learning Post Alternative High School |
Los Angeles County |
| The Marin School |
Marin County |
| The Met Sacramento High School |
Sacramento County |
| The Nueva School |
San Mateo County |
| The Thacher School |
Ventura County |
| The Urban School of San Francisco |
San Francisco County |
| Theodore Bird High School |
Tuolumne County |
| Theodore Roosevelt High School |
Los Angeles County |
| Thomas Downey High School |
Stanislaus County |
| Thomas Jefferson Senior High School |
Los Angeles County |
| Thomas Riley High School |
Los Angeles County |
| Thornton High School |
San Mateo County |
| Thousand Oaks High School |
Ventura County |
| Thurgood Marshall Academic High School |
San Francisco County |
