Oaks Christian School Photo

Average Private High School endowment in California

The average private high school endowment in California is $30.6M (2025-26).
The private high school in California with the highest endowment is The Thacher School, with a endowment of $206M.
Endowment Range: $50M $206M Avg. Endowment: $56.8M

Average Private High School endowment in California (2025-26)

School
Endowment
Grades
Location
Rank: #11.
The Thacher School
The Thacher School Photo - "Education is not merely the making of scholars. It is the making of men and women. It is the training of the younger generation in the art of living for their own greatest good and the greatest good of their fellow citizens." -Sherman Day Thacher
Endowment: $206 M
Grades: 9-12
5025 Thacher Road
Ojai, CA 93023
(805) 640-3210
Rank: #2 - 32. - 3.
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)
Endowment: $70 M
Grades: 6-12
7607 La Jolla Blvd
La Jolla, CA 92037
(858) 459-4021
Rank: #2 - 32. - 3.
Castilleja School
Castilleja School Photo - Swimming and water polo happen in our on-campus pool.
All-girls
(2)
Endowment: $70 M
Grades: 6-12
1310 Bryant St
Palo Alto, CA 94301
(650) 328-3160
Rank: #44.
Endowment: $65 M
Grades: 9-12
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
Rank: #5 - 65. - 6.
Spectrum Center- Antioch Campus
Special Education School
Endowment: $60 M
Grades: K-12
800 Gary Ave
Antioch, CA 94509
(925) 779-7520
Rank: #5 - 65. - 6.
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.
Endowment: $60 M
Grades: 9-12
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Rank: #77.
Santa Catalina School
Santa Catalina School Photo - The Marine Ecology Research Program on their summer trip to Hawaii.
All-girls (Catholic)
(6)
Endowment: $56 M
Grades: 9-12
1500 Mark Thomas Dr.
Monterey, CA 93940
(831) 655-9300
Rank: #8 - 358. - 35.
Archbishop Mitty High School
Special Program Emphasis (Catholic)
(2)
Endowment: $50 M
Grades: 9-12
5000 Mitty Way
San Jose, CA 95129
(408) 252-6610
Rank: #8 - 358. - 35.
Archbishop Riordan High School
Archbishop Riordan High School Photo - A view of Riordan's gym.
(Catholic)
Endowment: $50 M
Grades: 9-12
175 Frida Kahlo Way
San Francisco, CA 94112
(415) 586-8200
Rank: #8 - 358. - 35.
Endowment: $50 M
Grades: 7-12
2100 Greenfield Dr
El Cajon, CA 92019
(619) 201-8800
Rank: #8 - 358. - 35.
De Toldeo High School
(Jewish)
Endowment: $50 M
Grades: 9-12
22622 Vanowen St.
West Hills, CA 91307
(818) 348-0048
Rank: #8 - 358. - 35.
Forest Lake Christian School
(Christian)
(3)
Endowment: $50 M
Grades: PK-12
12515 Combie Rd
Auburn, CA 95602
(530) 269-1540
Rank: #8 - 358. - 35.
Fremont Christian School
Fremont Christian School Photo - FCS partners with families of children 18 months through high school graduation.
(Christian)
Endowment: $50 M
Grades: PK-12
4760 Thornton Avenue
Fremont, CA 94536
(510) 744-2267
Rank: #8 - 358. - 35.
Glory Christian School
(Baptist)
Endowment: $50 M
Grades: 1-12
1801 S Grand Ave
Los Angeles, CA 90015
(323) 513-7800
Rank: #8 - 358. - 35.
Grace Baptist Academy
(Baptist)
Endowment: $50 M
Grades: NS-12
1749 Potrero Grande Ave.
Monterey Park, CA 91754
(323) 324-3314
Rank: #8 - 358. - 35.
Holden High School
Holden High School Photo - Class size at Holden High School is kept small to allow more engaging and interactive academics.
Endowment: $50 M
Grades: 9-12
10 Irwin Way
Orinda, CA 94563
(925) 254-0199
Rank: #8 - 358. - 35.
Korean School Of Sacramento
Special Program Emphasis
Endowment: $50 M
Grades: PK-12
3641 S Port Dr Ste 2
Sacramento, CA 95826
(916) 364-0533
Rank: #8 - 358. - 35.
Notre Dame High School
All-girls (Catholic)
Endowment: $50 M
Grades: 9-12
1540 Ralston Ave
Belmont, CA 94002
(650) 595-1913
Rank: #8 - 358. - 35.
Oaks Christian School
Oaks Christian School Photo
(Christian)
Endowment: $50 M
Grades: 4-12
31749 La Tienda Rd
Thousand Oaks, CA 91362
(818) 575-9203
Rank: #8 - 358. - 35.
The Open School
The Open School Photo - Our student-created ramen week was a hit!
Special Program Emphasis
(3)
Endowment: $50 M
Grades: K-12
2625 N. Tustin Ave
Santa Ana, CA 92705
(714) 326-9736
Rank: #8 - 358. - 35.
Endowment: $50 M
Grades: PK-12
1000 Paseo Grande
San Lorenzo, CA 94580
(510) 317-8990
Rank: #8 - 358. - 35.
Sacred Heart High School
Sacred Heart High School Photo
All-girls (Catholic)
Endowment: $50 M
Grades: 9-12
2111 Griffin Ave
Los Angeles, CA 90031
(323) 225-2209
Rank: #8 - 358. - 35.
Salesian High School
(Catholic)
(1)
Endowment: $50 M
Grades: 9-12
2851 Salesian Ave
Richmond, CA 94804
(510) 234-4433
Rank: #8 - 358. - 35.
San Clemente Christian School
(Christian)
Endowment: $50 M
Grades: K-9
25975 Domingo Ave
Capistrano Beach, CA 92624
(949) 496-3513
Rank: #8 - 358. - 35.
Endowment: $50 M
Grades: K-12
301 N Orange
Pasadena, CA 91103
(626) 441-2076
Rank: #8 - 358. - 35.
Silicon Valley International School
Special Program Emphasis
(2)
Endowment: $50 M
Grades: PK-12
151 Laura Ln
Palo Alto, CA 94303
(650) 251-8500
Rank: #8 - 358. - 35.
Spectrum Center - Delta
Special Education School
Endowment: $50 M
Grades: 11-12
135 E Leland Rd
Pittsburg, CA 94565
(925) 439-6929
Rank: #8 - 358. - 35.
Spectrum Center- Long Beach Middle Market Street
Special Education School
Endowment: $50 M
Grades: 2-12
1022 E Market St
Long Beach, CA 90805
(562) 481-5738
Rank: #8 - 358. - 35.
Endowment: $50 M
Grades: 10-12
24500 Big Basin Way
Saratoga, CA 95070
(408) 709-3002
Rank: #8 - 358. - 35.
Viewpoint School
(2)
Endowment: $50 M
Grades: K-12
23620 Mulholland Hwy
Calabasas, CA 91302
(818) 591-6580
Rank: #8 - 358. - 35.
Village Christian School
(Christian)
Endowment: $50 M
Grades: K-12
8930 Village Ave
Sun Valley, CA 91352
(818) 767-8382
Rank: #8 - 358. - 35.
Endowment: $50 M
Grades: 9-12
525 Sheridan St
Calexico, CA 92231
(760) 357-3461
Rank: #8 - 358. - 35.
Vista School
Special Education School
(1)
Endowment: $50 M
Grades: 2-12
3200 Motor Ave
Los Angeles, CA 90034
(310) 836-1223
Rank: #8 - 358. - 35.
The Waldorf School Of San Diego
The Waldorf School Of San Diego Photo - Phenomenological science keep those High Schoolers' interested!
Montessori School
(7)
Endowment: $50 M
Grades: NS-12
3547 Altadena Ave.
San Diego, CA 92105
(619) 280-8016
Rank: #8 - 358. - 35.
Woodcrest Christian School System
Woodcrest Christian School System Photo - Of our many classrooms, we have a safety certified biology/chemistry lab with stations and tools that aid our students with hands on learning.
(Christian)
(3)
Endowment: $50 M
Grades: K-12
18401 Van Buren Blvd
Riverside, CA 92508
(951) 780-2010
Show 45 more private schools in CA (out of 80 total schools)
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Frequently Asked Questions

What is the California average private high schools endowment?
The California average private high schools endowment is $30.6M for 2025-26.
What are the private high schools with the highest endowment in California?
The top ranked private high schools in California include The Thacher School, The Bishop's School and Castilleja School.

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