BoardingSchoolReview.com lists 12 boarding schools as Small Boarding School Association (SBSA) members, serving 2,659 students. Learn more about the association at Small Boarding School Association (SBSA).
Membership data comes from the schools themselves and from published association directories. See all school associations.
Small Boarding School Association (SBSA) Member Schools (2026-27)
Gr: 4-9 | PK-9 (day) | 345 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Tuition listed
120 Prospect Street
Fitchburg, MA 01420
(978) 342-6053
Gr: 9-12, PG | 151 students
Student-teacher ratio: 7:1
Avg. class size: 12 students
Acceptance rate: 80%
Tuition listed
All-girls
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
Gr: 9-12 | 165 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 60%
Tuition listed
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Gr: 9-12, PG | PK-12, PG (day) | 430 students
Student-teacher ratio: 4.5:1
Avg. class size: 7 students
Acceptance rate: 98%
Tuition listed
6544 Murray Lane
Brentwood, TN 37027
(615) 507-3173
Gr: 8-12 | PK-12 (day) | 548 students
Student-teacher ratio: 9:1
Avg. class size: 15 students
Tuition listed
All-girls
300 Garrison Forest Road
Owings Mills, MD 21117
(410) 559-3111
Gr: 9-12, PG | 130 students
Student-teacher ratio: 7:1
Avg. class size: 12 students
Acceptance rate: 73%
Tuition listed
616 High Street
Bath, ME 04530
(207) 443-5584
Gr: 9-12 | PK-12 (day) | 184 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 85%
Tuition listed
804 Dr Robert K Wallace Drive
Fairfield, IA 52556
(641) 472-9400
Gr: 9-12, PG | 300 students
Student-teacher ratio: 7:1
Avg. class size: 15 students
Tuition listed
Catholic
26 Chase Road
Thompson, CT
(860) 923-9565
Gr: 9-12 | 185 students
Student-teacher ratio: 9:1
Avg. class size: 15 students
Acceptance rate: 72%
Tuition listed
Catholic
1000 Green St.
Atchison, KS 66002
(913) 367-5482
Gr: 9-12, PG | 26 students
Student-teacher ratio: 4:1
Avg. class size: 6 students
Tuition listed
All-boys
Alajuela Province, Nueva Cumbre
Atenas, Costa Rica 20501
18006099496
Gr: 9-12, PG | 65 students
Student-teacher ratio: 7:1
Avg. class size: 10 students
Acceptance rate: 80%
Tuition listed
1079 Firetower Road
Colora, MD 21917
(410) 658-9224
Gr: 5-12, PG | 130 students
Student-teacher ratio: 5:1
Avg. class size: 5 students
Tuition listed
93 Camp School Road
Wolfeboro, NH 03894
(603) 569-3451
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