| Academy of Our Lady of Peace
| San Diego | CA | 9th-12th | none | Girls only | 742 | Roman Catholic |
| Archer School for Girls
| Los Angeles | CA | 6th-12th | none | Girls only | 500 | None |
| Army and Navy Academy
| Carlsbad | CA | 7th-12th | 7th-12th | Boys only | 339 | None |
| Athenian School
4.9/5
based on 2 student review(s) | Danville | CA | 6th-12th | 9th-12th | Coed | 450 | None |
| Bentley School
3.8/5
based on 1 student review(s) | Oakland | CA | K-12th | none | Coed | 677 | None |
| Bishop's School
4.9/5
based on 2 student review(s) | La Jolla | CA | 7th-12th | none | Coed | 780 | Episcopal |
| Branson School
| Ross | CA | 9th-12th | none | Coed | 310 | None |
| Buckley School
| Sherman Oaks | CA | K-12th | none | Coed | 750 | None |
| Campbell Hall
4.3/5
based on 3 student review(s) | North Hollywood | CA | K-12th | none | Coed | 1090 | Episcopal |
| Castilleja School
| Palo Alto | CA | 6th-12th | none | Girls only | 415 | None |
| Cate School
4.7/5
based on 5 student review(s) | Carpinteria | CA | 9th-12th | 9th-12th | Coed | 260 | None |
| Central Catholic High School
| Modesto | CA | 9th-12th | none | Coed | 441 | Roman Catholic |
| Chadwick School
| Palos Verdes Peninsula | CA | K-12th | none | Coed | 826 | None |
| College Preparatory School
4.8/5
based on 2 student review(s) | Oakland | CA | 9th-12th | none | Coed | 335 | None |
| Cornelia Connelly School
| Anaheim | CA | 9th-12th | none | Girls only | 313 | Roman Catholic |
| Crossroads School
| Santa Monica | CA | K-12th | none | Coed | 1129 | None |
| Crystal Springs Uplands School
4.4/5
based on 2 student review(s) | Hillsborough | CA | 6th-12th | none | Coed | 350 | None |
| Drew School
| San Francisco | CA | 9th-12th | none | Coed | 250 | None |
| Fairmont School
| Anaheim | CA | PK-12th | none | Coed | 2230 | None |
| Flintridge Sacred Heart Academy
| La Canada Flingtridge | CA | 9th-12th | 9th-12th | Girls only | 411 | Roman Catholic |
| Francis Parker School
| San Diego | CA | PK-12th | none | Coed | 1210 | None |
| Harker School
4.3/5
based on 6 student review(s) | San Jose | CA | K-12th | none | Coed | 1700 | None |
| Harvard-Westlake School
4.6/5
based on 7 student review(s) | North Hollywood | CA | 7th-12th | none | Coed | 1600 | Episcopal |
| Head-Royce School
| Oakland | CA | K-12th | none | Coed | 800 | None |
| Holy Names High School
| Oakland | CA | 9th-12th | none | Girls only | 240 | Roman Catholic |
| Idyllwild Arts Academy
| Idyllwid | CA | 8th-PG | 9th-PG | Coed | 266 | None |
| Immaculate Conception Academy
| San Francisco | CA | 9th-12th | none | Girls only | 255 | Roman Catholic |
| Jesuit High School
| Carmichael | CA | 9th-12th | none | Boys only | 1080 | Roman Catholic (Jesuit) |
| Junipero Serra School
| Gardena | CA | 9th-12th | none | Coed | 686 | Roman Catholic |
| Kehillah Jewish High School
| Palo Alto | CA | 9th-12th | none | Coed | 110 | Jewish |
| La Jolla Country Day School
| La Jolla | CA | PK-12th | none | Coed | 1053 | None |
| La Verne Lutheran High School
| La Verne | CA | 9th-12th | none | Coed | 179 | Lutheran |
| Laguna Blanca School
| Santa Barbara | CA | K-12th | none | Coed | 425 | None |
| Lick-Wilmerding High School
4.6/5
based on 2 student review(s) | San Francisco | CA | 9th-12th | none | Coed | 425 | None |
| Loyola High School
| Los Angeles | CA | 9th-12th | none | Boys only | 1250 | Roman Catholic (Jesuit) |
| Marin Academy
| San Rafael | CA | 9th-12th | none | Coed | 404 | None |
| Marlborough School
4.8/5
based on 1 student review(s) | Los Angeles | CA | 7th-12th | none | Girls only | 537 | None |
| Marymount High School
| Los Angeles | CA | 9th-12th | none | Girls only | 415 | Roman Catholic |
| Mayfield Senior School
| Pasadena | CA | 9th-12th | none | Girls only | 313 | Roman Catholic |
| Menlo School
5/5
based on 1 student review(s) | Atherton | CA | 6th-12th | none | Coed | 775 | None |
| Monte Vista Christian School
| Watsonville | CA | 9th-12th | 9th-12th | Coed | 832 | None |
| Notre Dame Academy
| Los Angeles | CA | 9th-12th | none | Girls only | 440 | Roman Catholic |
| Notre Dame High School
| Belmont | CA | 9th-12th | none | Girls only | 600 | Roman Catholic |
| Notre Dame High School
| Riverside | CA | 9th-12th | none | Coed | 595 | Roman Catholic |
| Notre Dame High School
| Salinas | CA | 9th-12th | none | Girls only | 260 | Roman Catholic |
| Notre Dame High School
| San Jose | CA | 9th-12th | none | Girls only | 620 | Roman Catholic |
| Notre Dame High School
| Sherman Oaks | CA | 9th-12th | none | Coed | 1209 | Roman Catholic |
| Oakwood School
| North Hollywood | CA | K-12th | none | Coed | 756 | None |
| Ojai Valley School
| Ojai | CA | PK-12th | 9th-12th | Coed | 370 | None |
| Pilgrim School
| Los Angeles | CA | PK-12th | none | Coed | 370 | Congregational |
| Polytechnic School
3/5
based on 1 student review(s) | Pasadena | CA | K-12th | none | Coed | 860 | None |
| Presentation High School
| San Jose | CA | 9th-12th | none | Girls only | 800 | Roman Catholic |
| Providence High School
| Burbank | CA | 9th-12th | none | Coed | 560 | Roman Catholic |
| Robert Louis Stevenson School
3.7/5
based on 2 student review(s) | Pebble Beach | CA | K-12th | 9th-12th | Coed | 750 | None |
| Rolling Hills Preparatory School
| San Pedro | CA | 6th-12th | none | Coed | 230 | None |
| Rosary High School
| Fullerton | CA | 9th-12th | none | Girls only | 700 | Roman Catholic |
| Sacramento Country Day School
| Sacramento | CA | PK-12th | none | Coed | 523 | None |
| Sacred Heart High School
| Los Angeles | CA | 9th-12th | none | Girls only | 370 | Roman Catholic |
| San Francisco University High School
4.3/5
based on 3 student review(s) | San Francisco | CA | 9th-12th | none | Coed | 385 | None |
| Santa Catalina School
5/5
based on 1 student review(s) | Monterey | CA | PK-12th | 9th-12th | Girls only | 548 | Roman Catholic |
| Schools of the Sacred Heart
| San Francisco | CA | K-12th | none | Coed | 1073 | Roman Catholic |
| Servite High School
| Anaheim | CA | 9th-12th | none | Boys only | 877 | Roman Catholic |
| Sierra Canyon School
| Chatsworth | CA | PK-12th | none | Coed | 850 | None |
| Sonoma Academy
| Santa Rosa | CA | 9th-12th | none | Coed | 200 | None |
| Southwestern Academy
| San Marino | CA | 6th-PG | 6th-PG | Coed | 115 | None |
| St. Augustine High School
| San Diego | CA | 9th-12th | none | Boys only | 699 | Roman Catholic |
| St. Ignatius College Preparatory School
4.2/5
based on 1 student review(s) | San Francisco | CA | 9th-12th | none | Coed | 1427 | Roman Catholic (Jesuit) |
| St. Lucy's Priory High School
| Glendora | CA | 9th-12th | none | Girls only | 865 | Roman Catholic |
| St. Margaret's Episcopal School
| San Juan Capistrano | CA | PK-12th | none | Coed | 1220 | Episcopal |
| Thacher School
4.8/5
based on 5 student review(s) | Ojai | CA | 9th-12th | 9th-12th | Coed | 240 | None |
| Urban School of San Francisco
| San Francisco | CA | 9th-12th | none | Coed | 342 | None |
| Viewpoint School
| Calabasas | CA | K-12th | none | Coed | 1215 | None |
| Villanova Preparatory School
| Ojai | CA | 9th-12th | 9th-12th | Coed | 315 | Roman Catholic |
| Webb Schools
4.7/5
based on 5 student review(s) | Claremont | CA | 9th-12th | 9th-12th | Coed | 375 | None |
| Westridge School
| Pasadena | CA | 4th-12th | none | Girls only | 510 | None |
| Wildwood School
| Los Angeles | CA | K-12th | none | Coed | 825 | None |
| Windward School
| Los Angeles | CA | 7th-12th | none | Coed | 474 | None |
| Woodside Priory School
| Portola Valley | CA | 6th-12th | 9th-12th | Coed | 352 | Roman Catholic |
| York School
| Monterey | CA | 8th-12th | none | Coed | 226 | Episcopal |