The average private high school endowment in California is $24.6M (2024-25).
The private high school in California with the highest endowment is The Thacher School, with a endowment of $206M.
Endowment Range: $1.5M
$206M
Avg. Endowment: $24.6M
Average Private High School endowment in California (2024-25)
School
Endowment
Grades
Location
Rank: #11.
Endowment: $206 M
Grades: 9-12
5025 Thacher Road
Ojai, CA 93023
(805) 640-3210
Ojai, CA 93023
(805) 640-3210
Rank: #22.
Endowment: $70 M
Grades: 6-12
1310 Bryant St
Palo Alto, CA 94301
(650) 328-3160
Palo Alto, CA 94301
(650) 328-3160
Rank: #33.
The Webb Schools![The Webb Schools Photo - Welcome to Webb]( "The Webb Schools Photo - Welcome to Webb")
Special Program Emphasis
Endowment: $60 M
Grades: 9-12
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
Claremont, CA 91711
(909) 482-5214
Rank: #44.
Endowment: $59 M
Grades: 9-12
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
Pebble Beach, CA 93953
(831) 625-8309
Rank: #55.
Endowment: $56 M
Grades: 9-12
1500 Mark Thomas Dr.
Monterey, CA 93940
(831) 655-9300
Monterey, CA 93940
(831) 655-9300
Rank: #66.
Endowment: $40 M
Grades: K-12
26800 Academy Drive
Palos Verdes Peninsula, CA 90274
(310) 377-1543
Palos Verdes Peninsula, CA 90274
(310) 377-1543
Rank: #77.
Convent & Stuart Hall![Convent & Stuart Hall Photo]( "Convent & Stuart Hall Photo")
(Catholic)
Endowment: $35 M
Grades: K-12
2222 Broadway St
San Francisco, CA 94115
(415) 563-2900
San Francisco, CA 94115
(415) 563-2900
Rank: #88.
Esther B Clark School-childrens Health Council
Special Education School
Endowment: $28 M
Grades: 2-10
650 Clark Way
Palo Alto, CA 94304
(650) 688-3634
Palo Alto, CA 94304
(650) 688-3634
Rank: #9 - 109. - 10.
Endowment: $22 M
Grades: 9-12
6100 Broadway
Oakland, CA 94618
(510) 652-0111
Oakland, CA 94618
(510) 652-0111
Rank: #9 - 109. - 10.
Midland School![Midland School Photo - How is Midland different? Our 4:1 student to faculty ratio allows for small class sizes and close-knit relationships. With under 90 students, everyone knows your name. No cell phones here, but Midlanders do spend a lot of time together in real life: horseback riding, hiking, gardening, creating art, building things, and envisioning an environmentally sustainable and just future.]( "Midland School Photo - How is Midland different? Our 4:1 student to faculty ratio allows for small class sizes and close-knit relationships. With under 90 students, everyone knows your name. No cell phones here, but Midlanders do spend a lot of time together in real life: horseback riding, hiking, gardening, creating art, building things, and envisioning an environmentally sustainable and just future.")
Special Program Emphasis
Endowment: $22 M
Grades: 9-12
5100 Figueroa Mountain Rd
Los Olivos, CA 93441
(805) 688-5114
Los Olivos, CA 93441
(805) 688-5114
Rank: #11 - 1211. - 12.
Endowment: $13 M
Grades: 6-12
2555 West Highway 154
Los Olivos, CA 93441
(805) 688-6471
Los Olivos, CA 93441
(805) 688-6471
Rank: #11 - 1211. - 12.
Flintridge Sacred Heart Academy![Flintridge Sacred Heart Academy Photo - FSHA's cross country team on the field after the rain.]( "Flintridge Sacred Heart Academy Photo - FSHA's cross country team on the field after the rain.")
All-girls (Catholic)
Endowment: $13 M
Grades: 9-12
440 St. Katherine Dr.
La Canada Flintridge, CA 91011
(626) 685-8300
La Canada Flintridge, CA 91011
(626) 685-8300
Rank: #1313.
Villanova Preparatory School![Villanova Preparatory School Photo - Founded in 1924, Villanova Prep is the only Catholic boarding school in the Augustinian tradition. Our 130-acre campus located in Ojai, California, approximately 60 minutes north of Los Angeles, has several athletic and academic facilities to support our students' development of mind, body, and spirit.]( "Villanova Preparatory School Photo - Founded in 1924, Villanova Prep is the only Catholic boarding school in the Augustinian tradition. Our 130-acre campus located in Ojai, California, approximately 60 minutes north of Los Angeles, has several athletic and academic facilities to support our students' development of mind, body, and spirit.")
(Catholic)
Endowment: $12 M
Grades: 6-12
12096 N Ventura Avenue
Ojai, CA 93023
(805) 646-1464
Ojai, CA 93023
(805) 646-1464
Rank: #1414.
Moreau Catholic High School![Moreau Catholic High School Photo - Front of campus.]( "Moreau Catholic High School Photo - Front of campus.")
(Catholic)
Endowment: $11 M
Grades: 9-12
27170 Mission Blvd
Hayward, CA 94544
(510) 881-4300
Hayward, CA 94544
(510) 881-4300
Rank: #1515.
Ripon Christian Schools![Ripon Christian Schools Photo - School Life]( "Ripon Christian Schools Photo - School Life")
(Calvinist)
Endowment: $11 M
Grades: PK-12
435 Maple Avenue
Ripon, CA 95366
(209) 599-2155
Ripon, CA 95366
(209) 599-2155
Rank: #16 - 1816. - 18.
Endowment: $10 M
Grades: 6-12
2100 Mt Diablo Scenic Blvd
Danville, CA 94506
(925) 362-7223
Danville, CA 94506
(925) 362-7223
Rank: #16 - 1816. - 18.
Endowment: $10 M
Grades: 9-12
737 Hawaii St
El Segundo, CA 90245
(317) 643-7377
El Segundo, CA 90245
(317) 643-7377
Rank: #16 - 1816. - 18.
Endowment: $10 M
Grades: 6-12
302 Portola Road
Portola Valley, CA 94028
(650) 851-8223
Portola Valley, CA 94028
(650) 851-8223
Rank: #1919.
Endowment: $9 M
Grades: PK-12
150 Oak Street
San Francisco, CA 94102
(415) 558-2000
San Francisco, CA 94102
(415) 558-2000
Rank: #2020.
Endowment: $7 M
Grades: 9-12
52500 Temecula Road #38
Idyllwild, CA 92549
(951) 468-7223
Idyllwild, CA 92549
(951) 468-7223
Rank: #2121.
The Marianne Frostig Center for Eductional Therapy![The Marianne Frostig Center for Eductional Therapy Photo - Arts education is a core value at Frostig School.]( "The Marianne Frostig Center for Eductional Therapy Photo - Arts education is a core value at Frostig School.")
Special Education School
Endowment: $5.8 M
Grades: 1-12
971 N. Altadena Drive
Pasadena, CA 91107
(626) 791-1255
Pasadena, CA 91107
(626) 791-1255
Rank: #2222.
Endowment: $5 M
Grades: PK-12
220 West Lomita Ave
Ojai, CA 93023
(805) 646-8236
Ojai, CA 93023
(805) 646-8236
Rank: #2323.
Aquinas High School![Aquinas High School Photo - Aquinas is a private Catholic college preparatory high school located in San Bernardino California.]( "Aquinas High School Photo - Aquinas is a private Catholic college preparatory high school located in San Bernardino California.")
(Catholic)
Endowment: $4.5 M
Grades: 9-12
2772 Sterling Ave
San Bernardino, CA 92404
(909) 886-4659
San Bernardino, CA 92404
(909) 886-4659
Rank: #2424.
Endowment: $4 M
Grades: K-12
562 North Britton Avenue
Sunnyvale, CA 94085
(408) 481-9900
Sunnyvale, CA 94085
(408) 481-9900
Rank: #2525.
Endowment: $3 M
Grades: PK-12
300 Marchmont Dr
Los Gatos, CA 95032
(408) 356-6116
Los Gatos, CA 95032
(408) 356-6116
Rank: #2626.
Endowment: $3.7 M
Grades: PK-12
2636 Latham Drive
Sacramento, CA 95864
(916) 481-8811
Sacramento, CA 95864
(916) 481-8811
Rank: #2727.
Endowment: $3.5 M
Grades: NS-12
2938 Washington Street
San Francisco, CA 94115
(415) 875-7202
San Francisco, CA 94115
(415) 875-7202
Rank: #2828.
Endowment: $2 M
Grades: 9-12
8585 Ojai Santa Paula Rd.
Ojai, CA 93023
(805) 646-4343
Ojai, CA 93023
(805) 646-4343
Rank: #2929.
Endowment: $1.5 M
Grades: PK-12
12855 Black Mountain Rd
San Diego, CA 92129
(858) 484-3488
San Diego, CA 92129
(858) 484-3488
Rank: #3030.
Endowment: $1.8 M
Grades: 9-12
1730 Wilshire Blvd
Santa Monica, CA 90403
(310) 828-7015
Santa Monica, CA 90403
(310) 828-7015
Frequently Asked Questions
What is the California average private high schools endowment?
The California average private high schools endowment is $24.6M for 2024-25.
What are the private high schools with the highest endowment in California?
The top ranked private high schools in California include The Thacher School, Castilleja School and The Webb Schools.
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