Private School Review - Established 2003
Brighton Hall School Photo - Brighton Hall welcomes all students in grades 2-12, with a curriculum that accommodates working professional children, as well as students who simply do best with a personalized, flexible approach to excellent education.
Brighton Hall School

Best California Private High Schools Belonging to National Association of Independent Schools (NAIS) (2025-26)

For the 2025-26 school year, there are 127 private high schools belonging to National Association of Independent Schools (NAIS) serving 66,926 students in California. You can also find more schools membership associations in California.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in California include The Webb Schools, BASIS Independent Silicon Valley, and Castilleja School.
The average tuition cost is $44,213, which is higher than the California private high school average tuition cost of $23,205.
23% of private high schools belonging to National Association of Independent Schools (NAIS) in California are religiously affiliated (most commonly Catholic and Jewish).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in California (2025-26)

School
Location
Quick Facts
BASIS Independent Fremont
BASIS Independent Fremont Photo
(1)
3300 Kearney Street
Fremont, CA 94538
(510) 722-1056
Gr: PK-12 | 698 students Avg. class size: 15 students Sports: 9 | Extracurrculars: 31 Tuition & acceptance rate listed
BASIS Independent Silicon Valley
BASIS Independent Silicon Valley Photo
(1)
1290 Parkmoor Avenue
San Jose, CA 95126
(669) 766-1001
Gr: PK-12 | 1,248 student Avg. class size: 15 students Sports: 4 | Extracurrculars: 83 Tuition & acceptance rate listed
Brighton Hall School
Brighton Hall School Photo - Brighton Hall welcomes all students in grades 2-12, with a curriculum that accommodates working professional children, as well as students who simply do best with a personalized, flexible approach to excellent education.
(15)
755 N. Whitnall Hwy
Burbank, CA 91505
(818) 985-9485
Gr: 1-12 | 69 students Avg. class size: 8 students Extracurrculars: 11 Tuition & acceptance rate listed
Brightworks School
Brightworks School Photo
Alternative School
(5)
682 Schofield Road
San Francisco, CA 94129
(415) 701-8700
Gr: K-12 | 95 students Avg. class size: 11 students Sports: 1 | Extracurrculars: 5 Tuition & acceptance rate listed
Campbell Hall
Campbell Hall Photo
(Episcopal)
(9)
4533 Laurel Canyon Blvd
Valley Village, CA 91607
(818) 980-7280
Gr: K-12 | 1,148 student Avg. class size: 14 students Sports: 13 | Extracurrculars: 1 Tuition listed
Drew School
Drew School Photo - Drew School believes in teenagers - their ideas, their dreams, their opinions, and their potential. That's why we've created a high school community that challenges the traditional definition of success and celebrates achievement one student at a time.
(3)
2901 California St
San Francisco, CA 94115
(415) 430-3737
Gr: 9-12 | 297 students Avg. class size: 14 students Sports: 13 Tuition & acceptance rate listed
Dunn School
Dunn School Photo - The outdoor education program at Dunn School fosters greater self-awareness through physical challenges and leadership experiences in the outdoors.
(5)
2555 West Highway 154
Los Olivos, CA 93441
(805) 688-6471
Gr: 6-12 | 256 students Avg. class size: 10 students Sports: 13 | Extracurrculars: 12 Tuition & acceptance rate listed
The Harker School Upper School
The Harker School Upper School Photo - Harker's Eagle Buddies program matches upper school students with lower school students for three years. The buddies meet 3 times per year for fun and food!
500 Saratoga Ave
San Jose, CA 95129
(408) 249-2510
Gr: K-12 | 798 students Avg. class size: 10 students Sports: 15 | Extracurrculars: 27 Tuition & acceptance rate listed
Laurel Springs School
Laurel Springs School Photo
(6)
302 El Paseo Road
Ojai, CA 93023
(866) 702-4777
Gr: K-12 | 2,210 students Avg. class size: 20 students Extracurrculars: 41 Tuition & acceptance rate listed
Le Lycee Francais de Los Angeles
Le Lycee Francais de Los Angeles Photo - Homecoming!
(5)
3261 Overland Avenue
Los Angeles, CA 90034
(310) 836-3464
Gr: NS-12 | 734 students Avg. class size: 18 students Sports: 8 | Extracurrculars: 20 Tuition listed
Mayfield Senior School
Mayfield Senior School Photo
All-girls (Catholic)
(2)
500 Bellefontaine St
Pasadena, CA 91105
(626) 799-9121
Gr: 9-12 | 304 students Avg. class size: 16 students Sports: 14 | Extracurrculars: 11 Tuition listed
Oakwood School
Oakwood School Photo
(4)
11230 Moorpark Street/11600 Magnolia Blvd
North Hollywood, CA 91602
(818) 732-3150
Gr: K-12 | 822 students Avg. class size: 15 students Sports: 21 | Extracurrculars: 45 Tuition & acceptance rate listed
Pacific Ridge School
Pacific Ridge School Photo - HARKNESS LEARNING: Students build critical communication skills and critical thinking through student-centered discussion-based learning.
(6)
6269 El Fuerte St
Carlsbad, CA 92009
(760) 448-9820
Gr: 6-12 | 695 students Avg. class size: 15 students Sports: 16 | Extracurrculars: 47 Tuition & acceptance rate listed
Pilgrim School
Pilgrim School Photo
(9)
540 S Commonwealth Ave
Los Angeles, CA 90020
(213) 355-5204
Gr: PK-12 | 373 students Avg. class size: 12 students Sports: 10 Tuition listed
Qualia: The School for Deeper Learning
Qualia: The School for Deeper Learning Photo - Provocative, hands-on teaching, highlighting puzzles, mysteries, controversies and quandaries, is crucial to our deeper learning model.
(10)
4345 Las Virgenes Road
Calabasas, CA 91302
(310) 478-9900
Gr: 4-12 | 40 students Avg. class size: 5 students Tuition & acceptance rate listed
Sacramento Country Day School
Sacramento Country Day School Photo - With low student-teacher ratios, Sacramento Country Day School offers a highly-personalized educational experience that challenges students to innovate, and explore in a flexible academic program.
2636 Latham Drive
Sacramento, CA 95864
(916) 481-8811
Gr: PK-12 | 594 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 10 Tuition & acceptance rate listed
San Domenico School
San Domenico School Photo
(15)
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1900
Gr: K-12 | 680 students Avg. class size: 18 students Sports: 16 | Extracurrculars: 30
San Francisco Waldorf High School
San Francisco Waldorf High School Photo
(2)
470 West Portal Ave.
San Francisco, CA 94127
(415) 431-2736
Gr: 9-12 | 127 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 23 Tuition & acceptance rate listed
The Webb Schools
The Webb Schools Photo - Expanding Minds, Opening FuturesExpert faculty will inspire you to think boldly, lead with confidence, and grow as an innovator. Surrounded by mountains, beaches, Los Angeles, and natural wonders, you'll discover new possibilities, prepare for exciting college pathways, and thrive in a community that values learning, leadership, and joy.
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Gr: 9-12 | 405 students Avg. class size: 14 students Sports: 16 | Extracurrculars: 99 Tuition & acceptance rate listed
Westridge School
Westridge School Photo - Westridge is an independent, forward-thinking girls school for students in grades 4-12. We are committed to educating intellectually adventurous thinkers, and courageous, compassionate leaders.
All-girls
(4)
324 Madeline Dr
Pasadena, CA 91105
(626) 799-1153
Gr: 4-12 | 550 students Avg. class size: 15 students Sports: 14 | Extracurrculars: 44 Tuition & acceptance rate listed
Archer School For Girls
All-girls
(3)
11725 W Sunset Blvd
Los Angeles, CA 90049
(310) 873-7020
Gr: 6-12 | 436 students Avg. class size: 15 students Tuition & acceptance rate listed
Army and Navy Academy
Army and Navy Academy Photo
All-boys | Special Program Emphasis
(1)
2605 Carlsbad Boulevard
Carlsbad, CA 92008
(888) 762-2338
Gr: 7-12 | 285 students Avg. class size: 13 students Sports: 20 | Extracurrculars: 18 Tuition & acceptance rate listed
The Athenian School
The Athenian School Photo
2100 Mt Diablo Scenic Blvd
Danville, CA 94506
(925) 362-7223
Gr: 6-12 | 539 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 23 Tuition & acceptance rate listed
Bellarmine College Preparatory
Bellarmine College Preparatory Photo
All-boys (Catholic)
960 W Hedding St
San Jose, CA 95126
(408) 294-9224
Gr: 9-12 | 1,665 student Avg. class size: 25 students Sports: 16 | Extracurrculars: 3 Tuition listed
Bentley School
Bentley School Photo
(1)
1000 Upper Happy Valley Rd
Lafayette, CA 94549
(925) 283-2101
Gr: K-12 | 660 students Avg. class size: 14 students Sports: 12 | Extracurrculars: 6 Tuition listed
Bentley School
(3)
1 Hiller Dr
Oakland, CA 94618
(510) 843-2512
Gr: K-12 | 700 students Avg. class size: 15 students
Besant Hill School
Besant Hill School Photo - Nestled on 520 stunning acres in Ojai Valley, Besant Hill School offers breathtaking views, 3 dorms, an aquatic center, theater, studios, and classrooms tucked among oak trees. Our greenhouses and outdoor sports facilities complete the vibrant, inspiring campus.
Special Program Emphasis
(2)
8585 Ojai Santa Paula Rd.
Ojai, CA 93023
(805) 646-4343
Gr: 9-12 | 72 students Avg. class size: 8 students Sports: 6 | Extracurrculars: 17 Tuition & acceptance rate listed
Bishop Odowd High School
Bishop Odowd High School Photo - Our rigorous Academics prepare students for the challenges they will face at our country's best schools.
(Catholic)
(2)
9500 Stearns Avenue
Oakland, CA 94605
(510) 577-9100
Gr: 9-12 | 1,248 student Avg. class size: 25 students Sports: 15 | Extracurrculars: 22 Tuition & acceptance rate listed
The Bishop's School
The Bishop's School Photo - By their very nature, Bishop's students opt in. This includes the visual and performing arts, where students often go beyond their studies to become dancers, musicians, actors and artists of every stripe. Confidence in the arts opens new worlds to our students - and brings beauty to ours.
(Episcopal)
(2)
7607 La Jolla Blvd
La Jolla, CA 92037
(858) 459-4021
Gr: 6-12 | 800 students Avg. class size: 14 students Sports: 18 Tuition listed
The Branson School
39 Fernhill Avenue
Ross, CA 94957
(415) 454-3612
Gr: 9-12 | 319 students Avg. class size: 14 students Tuition & acceptance rate listed
Brentwood School
Brentwood School Photo
(2)
100 South Barrington Place
Los Angeles, CA 90049
(310) 889-2657
Gr: K-12 | 1,244 student Avg. class size: 17 students Sports: 19 | Extracurrculars: 21 Tuition listed
Bridges Academy
Bridges Academy Photo - Bridges is a college prep school serving twice-exceptional (2e) students--students who are gifted and have learning differences. Bridges graduates move to to colleges and universities across the country.
Special Program Emphasis
(12)
3921 Laurel Canyon Blvd.
Studio City, CA 91604
(818) 506-1091
Gr: 4-12 | 162 students Avg. class size: 8 students Sports: 4 | Extracurrculars: 9 Tuition & acceptance rate listed
The Buckley School
The Buckley School Photo
(3)
3900 Stansbury Avenue
Sherman Oaks, CA 91423
(818) 783-1610
Gr: K-12 | 836 students Avg. class size: 14 students Sports: 12 | Extracurrculars: 14 Tuition listed
Cal Coast Academy
Cal Coast Academy Photo
(2)
11555 Clews Ranch Road
San Diego, CA 92130
(858) 481-0882
Gr: 6-12 | 58 students Avg. class size: 6 students Sports: 19 | Extracurrculars: 6 Tuition & acceptance rate listed
Castilleja School
Castilleja School Photo - Swimming and water polo happen in our on-campus pool.
All-girls
(2)
1310 Bryant St
Palo Alto, CA 94301
(650) 328-3160
Gr: 6-12 | 424 students Avg. class size: 15 students Sports: 11 Tuition listed
Show 92 more private schools in California (out of 127 total schools)
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