Private School Review - Established 2003
BASIS Independent Silicon Valley Photo
BASIS Independent Silicon Valley

Best California Nonsectarian Private High Schools (2025-26)

For the 2025-26 school year, there are 462 nonsectarian private high schools in California. You can also find more religiously affiliated schools in California.
The top ranked nonsectarian private high schools in California include Oakwood School, The Webb Schools, and BASIS Independent Silicon Valley.

Top Ranked Nonsectarian Private High Schools in California (2025-26)

School
Location
Quick Facts
Alsion Middle/High School
Alsion Middle/High School Photo - Alsion School is a non-profit Montessori based program that serves grades 7-12 in the Mission area of Fremont, CA.
Montessori School
(2)
750 Witherly Ln
Fremont, CA 94539
(510) 445-1127
Gr: 7-12 | 48 students Avg. class size: 12 students Extracurrculars: 12 Tuition & acceptance rate listed
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
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
Excelsior School
Excelsior School Photo - School Front View
(2)
41 W Santa Clara Street
Arcadia, CA 91007
(626) 623-6339
Gr: 9-12 | 81 students Avg. class size: 18 students Sports: 4 | Extracurrculars: 8 Tuition & acceptance rate listed
Fusion Academy Aliso Viejo
Fusion Academy Aliso Viejo Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.
120 Vantis Dr, Suite 100
Aliso Viejo, CA 92656
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Extracurrculars: 3 Tuition & acceptance rate listed
Fusion Academy Walnut Creek
Fusion Academy Walnut Creek Photo - Classes at Fusion are one-to-one: one student and one teacher per classroom. Students have different teachers for different subjects, and teachers act as mentors in the one-to-one setting.
Alternative School
3003 Oak Road, Suite 150
Walnut Creek, CA 94597
(877) 673-8893
Gr: 6-12 | 52 students Avg. class size: 1 student 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
High Bluff Academy
High Bluff Academy Photo
(6)
5531 Cancha de Golf, Ste 202
Rancho Santa Fe, CA 92091
(858) 509-9101
Gr: 9-12 | 72 students Avg. class size: 8 students Tuition 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
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
Orion International Academy
Orion International Academy Photo - Cross-Country Team
11255 Central Ave.
Ontario, CA 91762
(909) 999-0025
Gr: PK-12 | 218 students Avg. class size: 12 students Sports: 8 | Extracurrculars: 5 Tuition & acceptance rate listed
Pacific Academy
Pacific Academy Photo - Rose Zhang, Class of 2021; AJGA World No. 1 Women Amateur Golfer; 2020 U.S Woman's Amateur Champion; Stanford University
(9)
4947 Alton Pkwy.
Irvine, CA 92604
(949) 398-5288
Gr: K-12 | 164 students Avg. class size: 10 students Sports: 5 | Extracurrculars: 25 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
Palo Alto Preparatory School
Palo Alto Preparatory School Photo - Our classes have an average student-to-teacher ratio of 8:1. This means students receive individualized support from teachers who have the time to teach to their students' specific learning needs.
(1)
2462 Wyandotte Street
Mountain View, CA 94043
(650) 493-7071
Gr: 8-12 | 65 students Avg. class size: 8 students Extracurrculars: 4 Tuition & acceptance rate 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 more than a school. It's a community where academic achievement goes hand in hand with becoming imaginative, independent thinkers - where students discover themselves and the world around them - where they learn what it means to make a difference.
All-girls
(4)
324 Madeline Dr
Pasadena, CA 91105
(626) 799-1153
Gr: 4-12 | 550 students Avg. class size: 15 students Sports: 16 | Extracurrculars: 48 Tuition listed
Cambrian Academy
Cambrian Academy Photo - Cambrian Academy students have been accepted by the world's best universities.
(8)
4340 Almaden Expressway
San Jose, CA 95118
(408) 833-7050
Gr: 5-12 | 110 students Avg. class size: 8 students Sports: 11 | Extracurrculars: 14 Tuition & acceptance rate listed
Capital Innovations Academy
Capital Innovations Academy Photo - The gang's all here!
(2)
1828 Tribute Rd., Suite H
Sacramento, CA 95815
(530) 400-7619
Gr: 6-12 | 34 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 18 Tuition & acceptance rate listed
Fusion Academy Anaheim Hills
Fusion Academy Anaheim Hills Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.
Alternative School
3111 N. Tustin Street, Suite 240
Orange, CA 92865
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Extracurrculars: 3 Tuition listed
Fusion Academy Berkeley
Fusion Academy Berkeley Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
811 University Ave, Suite 100
Berkeley, CA 94710
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
Fusion Academy Cupertino
Fusion Academy Cupertino Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.
19638 Stevens Creek Blvd., Suite 230
Cupertino, CA 95014
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Extracurrculars: 3 Tuition & acceptance rate listed
Fusion Academy Huntington Beach
Fusion Academy Huntington Beach Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
(2)
7711 Center Avenue, Suite 120
Huntington Beach, CA 92647
(877) 673-8893
Gr: 6-12 | 55 students Avg. class size: 1 student Extracurrculars: 11 Tuition listed
Fusion Academy Los Angeles
Fusion Academy Los Angeles Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
1640 S. Sepulveda Blvd., Suite 100
Los Angeles, CA 90025
(877) 673-8893
Gr: 6-12 | 101 students Avg. class size: 1 student Tuition listed
Fusion Academy Los Gatos
Fusion Academy Los Gatos Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
(1)
50 University Ave., Suite A300
Los Gatos, CA 95030
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
Fusion Academy Marin
Fusion Academy Marin Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
1600 Los Gamos Drive Lobby D, Suite 380
San Rafael, CA 94903
(877) 673-8893
Gr: 6-12 | 58 students Avg. class size: 1 student Tuition & acceptance rate listed
Fusion Academy Miracle Mile
Fusion Academy Miracle Mile Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
5757 Wilshire Blvd., Promenade One
Los Angeles, CA 90036
(877) 673-8893
Gr: 6-12 | 37 students Avg. class size: 1 student Tuition listed
Fusion Academy Mission Viejo
Fusion Academy Mission Viejo Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
23456 Madero, Suite 140
Mission Viejo, CA 92691
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
Fusion Academy Newport Beach
Fusion Academy Newport Beach Photo - Classes at Fusion are one-to-one: one student and one teacher. Teachers personalize content and act as mentors in the one-to-one setting.
Alternative School
(3)
18881 Von Karman Ave., Ste. 900
Irvine, CA 92612
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
Show 100 more private schools in California (out of 462 total schools)
Loading...

Recent Articles

Hidden Costs at Community College: What Private-School Families Should Plan
Hidden Costs at Community College: What Private-School Families Should Plan
Private-school families considering community college should budget beyond tuition—learn about hidden costs, 2025 data, and strategic planning.
How to Search for Private Schools — 2025 Guide
How to Search for Private Schools — 2025 Guide
A practical 2025-update on how to search for private schools, cover tuition, demographics, enrollment trends and expert tips
Transfer Pathways to Private Universities via Community Colleges Meta Description:
Transfer Pathways to Private Universities via Community Colleges Meta Description:
Discover how starting at a community college can lead to a private university degree through clear transfer pathways, current data and expert tips.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (CA):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

Why Private School?
Why Private School?
 California Private Schools By Tuition Cost
California Private Schools By Tuition Cost
5 Financial Aid Dos and Don'ts
5 Financial Aid Dos and Don'ts
 Transferring from Public to Private School Mid-Year: What to Expect
Transferring from Public to Private School Mid-Year: What to Expect
 How Much Do Private Schools Cost?
How Much Do Private Schools Cost?

More Articles

Programs for Exceptional Learners
Pathways to Elite Colleges
Well-Rounded Achievements
Leadership in Private Education
Strategic School Choices