Best California Boarding Schools (2026)

For the 2026 school year, there are 16 college-prep and junior boarding schools serving 4,982 students located throughout California.
Lake Tahoe Preparatory School
Santa Catalina School
Dunn School
The Webb Schools
Cate School
The Thacher School
The Athenian School
Ojai Valley School
Woodside Priory School (Priory)
Idyllwild Arts Academy
Besant Hill School
Army and Navy Academy
Stevenson School
EF Academy Pasadena

Top California Boarding Schools (2026)

Army and Navy Academy Photo
Gr: 7-12 | 275 students
Student-teacher ratio: 13:1
Avg. class size: 15 students
Acceptance rate: 73%
Tuition listed
All-boys (secular)
2605 Carlsbad Blvd.
Carlsbad, CA 92008
(888) 762-2338
(4)
The Athenian School Photo
Gr: 9-12 | 6-12 (day) | 535 students
Student-teacher ratio: 10:1
Avg. class size: 15 students
Tuition listed
2100 Mt. Diablo Scenic Blvd.
Danville, CA 94506
(925) 362-7223
(1)
Besant Hill School Photo - Besant Hill School is located in the Ojai Valley, on 500 acres of private land with beautiful vistas in every direction. Facilities include four dormitories, outdoor sports facilities including a new aquatic center, indoor theater, atelier, and classrooms nestled along winding paths and oak trees. We also have an eight acre organic farm.
Gr: 9-12, PG | 100 students
Student-teacher ratio: 4:1
Avg. class size: 8 students
Acceptance rate: 50%
Tuition listed
non-sectarian
8585 Ojai Santa Paula Road
Ojai, CA 93023
(805) 646-4343
(1)
Cate School Photo - Day Walk
Gr: 9-12 | 311 students
Student-teacher ratio: 5:1
Avg. class size: 10 students
Acceptance rate: 17%
Tuition listed
1960 Cate Mesa Road, P.O. Box 5005
Carpinteria, CA 93013
(805) 684-4127
(19)
Dunn School Photo - In 2020 the new Leadership Center was completed. Overlooking the open space known as Munger Common, the center provides state of the art meeting rooms and learning facilities, is home to the student-run Earwig Cafe, and hosts our college counseling team. Students can be found gathering both indoors and outside the center for conversation and relaxation.
Gr: 9-12 | 6-12 (day) | 249 students
Student-teacher ratio: 5:1
Avg. class size: 10 students
Acceptance rate: 45%
Tuition listed
P.O. Box 98, 2555 W. Highway 154
Los Olivos, CA 93441
(800) 287-9197
EF Academy Pasadena Photo - EF Academy is an international high school welcoming day and boarding students from over 60 nationalities. At this sunny Pasadena, California campus, students have the opportunity to become global changemakers and participate in EF Academy's signature Global Leadership Program.
Gr: 9-12 | 265 students
Student-teacher ratio: 7:1
Avg. class size: 13 students
Acceptance rate: 85%
Tuition listed
1505 E Howard St.
Pasadena, CA 91104
(626) 507-9223
Idyllwild, CA
Gr: 9-12, PG | 320 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 65%
Tuition listed
52500 Temecula Road
Idyllwild, CA 92549
(951) 468-7223
(18)
Lake Tahoe Preparatory School Photo - Lake Tahoe Prep is a coeducational boarding school for students in grades 9-12 located in Olympic Valley, California. With a student body of 70 and student to teacher ratio of 7:1, we lead a program built upon personalized attention. Our students benefit from our robust curriculum approved by the University of California.
Gr: 9-12, PG | 70 students
Student-teacher ratio: 7:1
Avg. class size: 7 students
Acceptance rate: 80%
Tuition listed
255 Olympic Valley Road | P.O. Box 2180
Olympic Valley, CA 96146
(245) 582-8690
Los Olivos, CA
Gr: 9-12 | 82 students
Student-teacher ratio: 4:1
Avg. class size: 10 students
Acceptance rate: 40%
Tuition listed
PO Box 8 / 5100 Figueroa Mountain Road
Los Olivos, CA 93441
(805) 688-5114
(4)
Ojai, CA
Gr: 3-12 | PK-12 (day) | 300 students
Student-teacher ratio: 4:1
Avg. class size: 12 students
Acceptance rate: 64%
Tuition listed
723 El Paseo Road
Ojai, CA 93023
(805) 646-1423
(2)
San Anselmo, CA
Gr: 9-12 | K-12 (day) | 680 students
Student-teacher ratio: 9:1
Avg. class size: 18 students
Tuition listed
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1990
Santa Catalina School Photo - Come visit our beautiful campus in Monterey, California! Call the admission office at 831.655.9356 or email admission@santacatalina.org to schedule your visit.
Gr: 9-12 | 200 students
Student-teacher ratio: 7:1
Avg. class size: 11 students
Tuition listed
All-girls (Catholic)
1500 Mark Thomas Drive
Monterey, CA 93940
(831) 655-9356
(1)
Stevenson School Photo
Gr: 9-12 | PK-12 (day) | 510 students
Student-teacher ratio: 10:1
Avg. class size: 12 students
Tuition listed
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
(11)
The Thacher School Photo - In courses designed for intellectual and creative expansion, students and teachers meet in seminar circles, studios, and laboratories to create a learning environment that is vigorous and supportive, galvanizing and nurturing.
Gr: 9-12 | 255 students
Student-teacher ratio: 6:1
Avg. class size: 11 students
Acceptance rate: 16%
Tuition listed
5025 Thacher Road
Ojai, CA 93023
(805) 640-3210
(26)
The Webb Schools Photo - Webb enjoys a 100% admit rate to selective 4-year colleges and universities.
Gr: 9-12 | 405 students
Student-teacher ratio: 6:1
Avg. class size: 14 students
Acceptance rate: 17%
Tuition listed
1175 West Baseline Road
Claremont, CA 91711
(909) 482-5214
(29)
Woodside Priory School (Priory) Photo - Woodside Priory is a Benedictine Catholic, independent college preparatory school. Founded by Hungarian monks in 1957, Priory has been an international school from its very beginning.
Gr: 9-12 | 6-12 (day) | 425 students
Student-teacher ratio: 7:1
Avg. class size: 13 students
Acceptance rate: 30%
Tuition listed
Catholic
302 Portola Road
Portola Valley, CA 94028
(650) 851-8223
(2)

Frequently Asked Questions

How many boarding schools are located in California?
There are 16 college-preparatory boarding schools located in California.
What is the average tuition cost of boarding school in California?
The average California boarding school tuition cost is $76,270 per year.
What is the oldest boarding school in California?
San Domenico School, founded in 1850, is the oldest boarding school in California.
What boarding school in California has the lowest acceptance rates?
The Thacher School has the lowest boarding school acceptance rate (16%) in California.
What boarding school in California has the highest average SAT scores?
The Webb Schools has the highest average SAT scores (1510) in California.
Which boarding schools in California are often viewed compared to one another?

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Quick Facts (2026)

  • # Boarding Schools: 16
  • # Students Served: 4,982
  • Average Tuition: $76,270
  • Average Acceptance Rate: 49%
  • Average Class Size: 12 students
  • % Students Boarding: 65%
  • % International Students: 23%
  • % Students of Color: 39%
  • % Students on Financial Aid: 34%
  • Average SAT Score: 1,286
  • % Faculty w/Advanced Degree: 73%

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