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Best California Private Schools Belonging to California Association of Independent Schools (CAIS) (2025)

For the 2025 school year, there are 199 private schools belonging to California Association of Independent Schools (CAIS) serving 69,169 students in California. You can also find more schools membership associations in California.
The top ranked private schools belonging to California Association of Independent Schools (CAIS) in California include Oakwood School, Campbell Hall, and The Harker School Upper School.
The average tuition cost is $36,902, which is higher than the California private school average tuition cost of $17,961.
26% of private schools belonging to California Association of Independent Schools (CAIS) in California are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private Schools Belonging to California Association of Independent Schools (CAIS) in California (2025)

School
Location
Quick Facts
Almaden Country Day School
Almaden Country Day School Photo - Our dedicated faculty deliver personalized instruction to students embracing each student as an individual. Lessons are engaging, inquiry-focused, hands-on, and highly collaborative to prepare students for high school and beyond. Teachers are not solely focused on delivering instruction; rather, they are focused on each child feeling seen and care for, and teaching children to be lifelong learners.
(20)
6835 Trinidad Drive
San Jose, CA 95120
(408) 997-0424
Gr: PK-8 | 420 students Avg. class size: 20 students Sports: 5 | Extracurrculars: 18 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
Clairbourn School
Clairbourn School Photo
(17)
8400 Huntington Drive
San Gabriel, CA 91775
(626) 286-3108
Gr: NS-8 | 283 students Avg. class size: 18 students Sports: 11 | Extracurrculars: 11 Tuition 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
EF Academy Pasadena
EF Academy Pasadena Photo - Hands-on learning encourages our students to make their own discoveries. Calculate velocity in the real world by measuring the speed of a baseball!
(1)
1505 E Howard St.
Pasadena, CA 91104
(626) 507-9223
Gr: 9-12 | 265 students Avg. class size: 15 students Sports: 7 | Extracurrculars: 31 Tuition listed
Foothill Country Day School
Foothill Country Day School Photo - Field Day and Art Walk is a tradition that dates back to our school's founding. Since our school was founded around a 1954 Kentucky Derby winner named Determine, we hold a day of races and fun each year on Derby Day. Our kids are superheroes!
(11)
1035 Harrison Ave
Claremont, CA 91711
(909) 626-5681
Gr: NS-8 | 438 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 10 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 Point Academy
High Point Academy Photo - Awaken the Joy of Learning!
(1)
1720 Kinneloa Canyon Rd
Pasadena, CA 91107
(626) 798-8989
Gr: K-8 | 350 students Avg. class size: 20 students Sports: 9 | Extracurrculars: 4 Tuition listed
Immaculate Heart Middle & High School
Immaculate Heart Middle & High School Photo - Immaculate Heart Middle & High School students engage on campus.
All-girls (Catholic)
(4)
5515 Franklin Ave
Los Angeles, CA 90028
(323) 461-3651
Gr: 6-12 | 687 students Avg. class size: 16 students Sports: 13 Tuition listed
Kehillah Jewish High School
Kehillah Jewish High School Photo - World-class academics in a supportive environment
Special Program Emphasis (Jewish)
(1)
3900 Fabian Way
Palo Alto, CA 94303
(650) 213-9600
Gr: 9-12 | 190 students Avg. class size: 11 students Sports: 7 | Extracurrculars: 30 Tuition & acceptance rate 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: 19 | 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
Phillips Brooks School
Phillips Brooks School Photo
(8)
2245 Avy Avenue
Menlo Park, CA 94025
(650) 854-4545
Gr: NS-5 | 306 students Avg. class size: 20 students Sports: 2 Tuition listed
Pilgrim School
Pilgrim School Photo
(7)
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
Prospect Sierra School
Prospect Sierra School Photo
2060 Tapscott Ave / 960 Avis Drive
El Cerrito, CA 94530
(510) 809-9001
Gr: PK-8 | 458 students Avg. class size: 18 students Sports: 5 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 | 597 students Avg. class size: 15 students Sports: 12 | Extracurrculars: 10 Tuition & acceptance rate listed
St. Anne School
St. Anne School Photo
(Catholic)
(3)
32451 Bear Brand Road
Laguna Niguel, CA 92677
(949) 276-6700
Gr: PK-8 | 534 students Avg. class size: 24 students Sports: 9 | Extracurrculars: 13 Tuition & acceptance rate listed
St. Mary's School
St. Mary's School Photo
(Christian)
(2)
7 Pursuit
Aliso Viejo, CA 92656
(949) 448-9027
Gr: NS-8 | 702 students Avg. class size: 18 students Sports: 10 | Extracurrculars: 36 Tuition & acceptance rate listed
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)
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1900
Gr: K-12 | 672 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 30 Tuition listed
Trinity School
Trinity School Photo - Where Curiosity Meets Character
(Episcopal)
2650 Sand Hill Rd
Menlo Park, CA 94025
(650) 854-0288
Gr: NS-5 | 119 students Avg. class size: 18 students Extracurrculars: 8 Tuition & acceptance rate listed
Westside Neighborhood School
Westside Neighborhood School Photo
(9)
5401 Beethoven Street
Los Angeles, CA 90066
(310) 574-8650
Gr: NS-8 | 657 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 11 Tuition listed
The Berkeley School
The Berkeley School Photo - Students work collaboratively during morning choice time
(1)
1310 University Ave
Berkeley, CA 94702
(510) 665-8800
Gr: PK-8 Avg. class size: 22 students Sports: 5 | Extracurrculars: 4 Tuition & acceptance rate listed
Julia Morgan School For Girls
Julia Morgan School For Girls Photo
All-girls
(1)
5000 MacArthur Boulevard
Oakland, CA 94613
(510) 632-6000
Gr: 6-8 | 133 students Avg. class size: 22 students Sports: 4 | Extracurrculars: 5 Tuition listed
Los Encinos School
Los Encinos School Photo - Delivering instruction in creative, unconventional ways is a gift our teachers bring to keep their students engaged with a love of learning!
(1)
17100 Ventura Blvd
Encino, CA 91316
(818) 990-1006
Gr: K-6 | 182 students Avg. class size: 26 students Sports: 3 | Extracurrculars: 4 Tuition & acceptance rate listed
Lycee Francais De San Francisco
Lycee Francais De San Francisco Photo - Respect, one of the Lycee values, is essential to building a trusting and healthy learning environment. At Lycee, we emphasize the importance of inclusion through respect for others as well as self-respect.
Special Program Emphasis
610 Coloma Street
Sausalito, CA 94965
(415) 661-5232
Gr: NS-12 | 170 students Avg. class size: 15 students Tuition listed
Lycee Francais de San Francisco
Lycee Francais de San Francisco Photo - Main subjects, from science to writing and reading, are introduced in preschool, and revisited, year after year, each time more in depth.
755 Ashbury Street
San Francisco, CA 94117
(415) 661-5232
Gr: NS-5 Avg. class size: 15 students Tuition listed
St. Patricks Episcopal Day School
St. Patricks Episcopal Day School Photo - St. Patrick's Episcopal Day School, a CAIS and WASC-accredited KR-8 school, inspires and equips students to transform the world. We welcome families of all faiths and emphasize academics, leadership, public speaking, and a spiritual foundation to nurture well-rounded, confident, and compassionate students.
(Episcopal)
(6)
1 Church Rd
Thousand Oaks, CA 91362
(805) 497-1416
Gr: PK-8 | 160 students Avg. class size: 18 students Sports: 3 | Extracurrculars: 12 Tuition & acceptance rate listed
Abraham Joshua Heschel Day School
Abraham Joshua Heschel Day School Photo
(Jewish)
17701 Devonshire St
Northridge, CA 91325
(818) 368-5781
Gr: K-8 | 347 students Avg. class size: 18 students Sports: 5 | Extracurrculars: 6 Tuition listed
All Saints Day School
All Saints Day School Photo - Nestled along the river on over 20 scenic acres, our campus offers one of Monterey's most inspiring settings for education and exploration. Recent upgrades include a state-of-the-art sports complex with a turf field, track, tennis courts, organic garden, amphitheater, and an enhanced outdoor chapel. These spaces are designed to nurture the mind, body, and spirit of every student.
(Episcopal)
(11)
8060 Carmel Valley Road
Carmel, CA 93923
(831) 624-9171
Gr: NS-8 | 259 students Avg. class size: 23 students Sports: 9 | Extracurrculars: 9 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
Barnhart School
Barnhart School Photo - In addition to yearly plays, there are numerous opportunities for students to practice their public speaking skills.
(8)
240 W Colorado Blvd
Arcadia, CA 91007
(626) 446-5588
Gr: PK-8 | 185 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 9 Tuition & acceptance rate 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
Berkeley Hall School
Berkeley Hall School Photo - House Days are fun days for different age groups to get together to complete challenges around campus.
(10)
16000 Mulholland Drive
Los Angeles, CA 90049
(310) 476-6421
Gr: NS-8 | 254 students Avg. class size: 22 students Sports: 7 | Extracurrculars: 4 Tuition listed
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
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