Oldest Private High Schools in California

The average private high school in California was founded around 1974 (2024).
The oldest private high school in California is San Domenico School, founded in 1850.
Year Founded Range: 1850 1909 Avg. Year Founded: 1887

Oldest Private High Schools in California (2024)

School
Founding Date
Grades
Location
Rank: #11.
San Domenico School
San Domenico School Photo - Located on 515 acres in San Anselmo, California, our campus features state-of-the art academic facilities, a music conservatory, swimming pool, gymnasium, one-acre organic garden, 2,358 solar panels, and six tennis courts. We are located 20 minutes north of San Francisco.
(15)
Founding Date: 1850
Grades: K-12
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1900
Rank: #2 - 32. - 3.
Bellarmine College Preparatory
Bellarmine College Preparatory Photo
All-boys (Catholic)
Founding Date: 1851
Grades: 9-12
960 W Hedding St
San Jose, CA 95126
(408) 294-9224
Rank: #2 - 32. - 3.
Notre Dame High School
Notre Dame High School Photo - Notre Dame graduates matriculate to impressive universities. Our rigorous curriculum, co-curricular programs and personalized counseling prepare students for success in college and beyond.
All-girls (Catholic)
Founding Date: 1851
Grades: 9-12
596 S 2nd St
San Jose, CA 95112
(408) 294-1113
Rank: #44.
Sacred Heart Cathedral Preparatory
Sacred Heart Cathedral Preparatory Photo - The Pavilion is the home court for the Fightin' Irish basketball, volleyball and wrestling teams. On game days, up to 1,500 fans can be heard cheering for SHC student-athletes. The Pavilion also serves as a wonderful venue for school assemblies, rallies and prayer services.
(Catholic)
Founding Date: 1852
Grades: 9-12
1055 Ellis St
San Francisco, CA 94109
(415) 775-6626
Rank: #55.
St. Ignatius College Preparatory
(Catholic)
Founding Date: 1855
Grades: 6-12
2001 37th Avenue
San Francisco, CA 94116
(415) 731-7500
Rank: #66.
Holy Names High School
Holy Names High School Photo
All-girls (Catholic)
(1)
Founding Date: 1861
Grades: 9-12
4660 Harbord Drive
Oakland, CA 94618
(510) 450-1110
Rank: #77.
St. Mary's College High School
(Catholic)
(1)
Founding Date: 1863
Grades: 9-12
1294 Albina Ave
Albany, CA 94706
(510) 526-9242
Rank: #88.
Loyola High School
All-boys (Catholic)
(1)
Founding Date: 1865
Grades: 9-12
1901 Venice Blvd
Los Angeles, CA 90006
(213) 381-5121
Rank: #9 - 109. - 10.
Christian Brothers High School
Christian Brothers High School Photo
(Catholic)
Founding Date: 1876
Grades: 9-12
4315 Martin Luther King Jr Blvd
Sacramento, CA 95820
(916) 733-3674
Rank: #9 - 109. - 10.
Mission College Prep High School
Mission College Prep High School Photo - Mission College Prep in Downtown San Luis Obispo, CA
(Catholic)
(1)
Founding Date: 1876
Grades: 9-12
682 Palm Street
San Luis Obispo, CA 93401
(805) 543-2131
Rank: #1111.
Saint Joseph Notre Dame High School
Saint Joseph Notre Dame High School Photo - Congratulations SJND graduates!
(Catholic)
Founding Date: 1881
Grades: 9-12
1011 Chestnut Street
Alameda, CA 94501
(510) 523-1526
Rank: #1212.
Academy Of Our Lady Of Peace
Academy Of Our Lady Of Peace Photo - Established in 1882 by the Sisters of St. Joseph of Carondelet, OLP has been educating the next generation of women leaders and innovators for more than 134 years.
All-girls (Catholic)
Founding Date: 1882
Grades: 9-12
4860 Oregon Street
San Diego, CA 92116
(619) 297-2266
Rank: #1313.
ICA Cristo Rey Academy
All-girls (Catholic)
Founding Date: 1883
Grades: 9-12
3625 24th St
San Francisco, CA 94110
(415) 824-2052
Rank: #14 - 1514. - 15.
Convent & Stuart Hall
Convent & Stuart Hall Photo
(Catholic)
Founding Date: 1887
Grades: K-12
2222 Broadway St
San Francisco, CA 94115
(415) 563-2900
Rank: #14 - 1514. - 15.
Head Royce School
Head Royce School Photo - Upper School Classroom
(1)
Founding Date: 1887
Grades: K-12
4315 Lincoln Ave
Oakland, CA 94602
(510) 531-1300
Rank: #16 - 1916. - 19.
Marlborough School
All-girls
Founding Date: 1889
Grades: 7-12
250 S Rossmore Ave
Los Angeles, CA 90004
(323) 935-1147
Rank: #16 - 1916. - 19.
Ramona Convent Secondary School
Ramona Convent Secondary School Photo - Our 19+ acre campus is more like a college than a high school. Expansive facilities support a broad and engaging curriculum.
All-girls (Catholic)
(1)
Founding Date: 1889
Grades: 9-12
1701 W Ramona Road
Alhambra, CA 91803
(626) 282-4151
Rank: #16 - 1916. - 19.
St. Mary's Academy
St. Mary's Academy Photo - SMA Belles taking a break in the outdoor space of our library.
All-girls (Catholic)
Founding Date: 1889
Grades: 9-12
701 Grace Avenue
Inglewood, CA 90301
(310) 674-8470
Rank: #16 - 1916. - 19.
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
Founding Date: 1889
Grades: 9-12
5025 Thacher Road
Ojai, CA 93023
(805) 640-3210
Rank: #20 - 2120. - 21.
The Harker School
The Harker School Photo
Founding Date: 1893
Grades: 1-9
4525 Union Avenue
San Jose, CA 95124
(408) 553-5700
Rank: #20 - 2120. - 21.
Founding Date: 1893
Grades: K-12
500 Saratoga Ave
San Jose, CA 95129
(408) 249-2510
Rank: #2222.
Fresno Adventist Academy
(Seventh Day Adventist)
(1)
Founding Date: 1897
Grades: PK-12
5397 E Olive Ave
Fresno, CA 93727
(559) 251-5548
Rank: #2323.
Sacred Heart Schools, Atherton
Sacred Heart Schools, Atherton Photo - Sacred Heart Schools, Atherton sits one 64-acre campus housing the Preschool & Kindergarten, Lower & Middle Schools and Preparatory.
(Catholic)
Founding Date: 1898
Grades: NS-12
150 Valparaiso Avenue
Atherton, CA 94027
(650) 322-1866
Rank: #2424.
Santa Clara High School
Santa Clara High School Photo
(Catholic)
Founding Date: 1901
Grades: 9-12
2121 Saviers Road
Oxnard, CA 93033
(805) 483-9502
Rank: #2525.
Escondido Adventist Academy
Escondido Adventist Academy Photo
(Seventh Day Adventist)
Founding Date: 1903
Grades: K-12
1301 Deodar Road
Escondido, CA 92026
(760) 746-1800
Rank: #2626.
Armona Union Academy
(Seventh Day Adventist)
Founding Date: 1904
Grades: K-12
14435 Locust St
Armona, CA 93202
(559) 582-4468
Rank: #27 - 2827. - 28.
Immaculate Heart High School and Middle School
Immaculate Heart High School and Middle School Photo
All-girls (Catholic)
(3)
Founding Date: 1906
Grades: 6-12
5515 Franklin Ave
Los Angeles, CA 90028
(323) 461-3651
Rank: #27 - 2827. - 28.
Loma Linda Academy
Loma Linda Academy Photo
(Seventh Day Adventist)
(1)
Founding Date: 1906
Grades: NS-12
10656 Anderson Street
Loma Linda, CA 92354
(909) 796-0161
Rank: #29 - 3129. - 31.
Castilleja School
Castilleja School Photo - Swimming and water polo happen in our on-campus pool.
All-girls
(2)
Founding Date: 1907
Grades: 6-12
1310 Bryant St
Palo Alto, CA 94301
(650) 328-3160
Rank: #29 - 3129. - 31.
Glendale Adventist Academy
Glendale Adventist Academy Photo - Bell Tower & Auditorium
(Seventh Day Adventist)
Founding Date: 1907
Grades: PK-12
700 Kimlin Dr
Glendale, CA 91206
(818) 244-8671
Rank: #29 - 3129. - 31.
Sacred Heart High School
Sacred Heart High School Photo
All-girls (Catholic)
Founding Date: 1907
Grades: 9-12
2111 Griffin Ave
Los Angeles, CA 90031
(323) 225-2209
Rank: #32 - 3332. - 33.
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.
(2)
Founding Date: 1908
Grades: 9-12
2901 California St
San Francisco, CA 94115
(415) 430-3737
Rank: #32 - 3332. - 33.
Paradise Adventist Academy
(Seventh Day Adventist)
Founding Date: 1908
Grades: 9-12
5699 Academy Dr.
Paradise, CA 95969
(530) 877-6540
Rank: #34 - 3634. - 36.
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)
(1)
Founding Date: 1909
Grades: 6-12
7607 La Jolla Blvd
La Jolla, CA 92037
(858) 459-4021
Rank: #34 - 3634. - 36.
Central Valley Christian Academy
Central Valley Christian Academy Photo - MAA is dedicated to a Christ-like atmosphere. This sculpture reminds us of the influence Christ.
(Seventh Day Adventist)
(1)
Founding Date: 1909
Grades: PK-12
2020 Academy Pl
Ceres, CA 95307
(209) 537-4521
Show 100 more private schools in CA (out of 550 total schools)
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Frequently Asked Questions

What is the California average Private High Schools founding year?
The California average Private High Schools founding year is 1974 for 2024.
What are the Private High Schools with oldest founding year in California?
The best top ranked Private High Schools in California include San Domenico School, Bellarmine College Preparatory and Notre Dame High School.

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