BoardingSchoolReview.com lists 21 boarding schools as California Association of Independent Schools (CAIS-CA) members, serving 9,535 students. Learn more about the association at California Association of Independent Schools (CAIS-CA).
Membership data comes from the schools themselves and from published association directories. See all school associations.
California Association of Independent Schools (CAIS-CA) Member Schools (2026-27)
Gr: 7-12 | 285 students
Student-teacher ratio: 13:1
Avg. class size: 13 students
Acceptance rate: 73%
Tuition listed
All-boys
2605 Carlsbad Blvd.
Carlsbad, CA 92008
(888) 762-2338
Gr: 9-12, PG | 100 students
Student-teacher ratio: 4:1
Avg. class size: 8 students
Acceptance rate: 50%
Tuition listed
8585 Ojai Santa Paula Road
Ojai, CA 93023
(805) 646-4343
Gr: 7-12 | 270 students
Student-teacher ratio: 8:1
Avg. class size: 15 students
Tuition listed
80 chemin Moulton Hill
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Gr: 7-12 | PK-12 (day) | 910 students
Student-teacher ratio: 8:1
Avg. class size: 16 students
Acceptance rate: 33%
Tuition listed
All-girls
10 Elm Avenue
Toronto, Canada m4w 1n4
(416) 920-9741
Gr: 8-12 | 560 students
Student-teacher ratio: 8:1
Avg. class size: 16 students
Acceptance rate: 30%
Tuition listed
2735 Mt. Baker Road
Mill Bay, BC V8H 1K8, Canada 1
(250) 743-5521
Gr: 9-12, PG | 332 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Tuition listed
Catholic
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3832
Gr: 7-12, PG | 225 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Acceptance rate: 47%
Tuition listed
All-girls
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Gr: 9-12, PG | 280 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 65%
Tuition listed
52500 Temecula Road
Idyllwild, CA 92549
(951) 659-2171
Gr: 9-12, PG | 520 students
Student-teacher ratio: 5:1
Avg. class size: 11 students
Tuition listed
Episcopal
1 Macedonia Road
Kent, CT 06757
(860) 927-6111
Gr: 9-12, PG | 115 students
Student-teacher ratio: 4:1
Avg. class size: 7 students
Tuition listed
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Gr: 3-12 | PK-12 (day) | 323 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Acceptance rate: 64%
Tuition listed
723 El Paseo Road
Ojai, CA 93023
(805) 646-1423
Gr: 9-12 | 400 students
Student-teacher ratio: 9:1
Avg. class size: 18 students
Tuition listed
16945 Bayview Ave
Newmarket, Ontario, Canada L3Y4X2
(905) 895-1700
Gr: 6-9 | PK-9 (day) | 356 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Tuition listed
201 Romford Rd.
Washington, CT 06794
(860) 868-0535
Gr: 8-12 | K-12 (day) | 1,150 students
Student-teacher ratio: 10:1
Avg. class size: 20 students
Tuition listed
All-boys
4175 West 29th Avenue
Vancouver, BC, Canada V6S1V1
(604) 224-1304
Gr: 9-12 | PK-12 (day) | 1,000 students
Student-teacher ratio: 6:1
Avg. class size: 17 students
3400 Richmond Road
Victoria, Canada V8P 4P5
(250) 370-6170
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
Gr: 9-12 | 215 students
Student-teacher ratio: 8:1
Avg. class size: 12 students
Tuition listed
All-girls (Catholic)
1500 Mark Thomas Drive
Monterey, CA 93940
(831) 655-9356
Gr: 7-12, PG | 304 students
Student-teacher ratio: 7:1
Avg. class size: 16 students
Tuition listed
450 Dufferein
Stanstead, Canada 05830
(819) 876-2223
Gr: 9-12 | PK-12 (day) | 507 students
Student-teacher ratio: 10:1
Avg. class size: 12 students
Tuition listed
3152 Forest Lake Road
Pebble Beach, CA 93953
(831) 625-8309
Gr: 9-12 | 5-12 (day) | 578 students
Student-teacher ratio: 7:1
Avg. class size: 15 students
Tuition listed
Anglican
55 Deblaquire St N.
Port Hope, Canada L1A4K7
(905) 885-3209
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
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