For the 2026 school year, there are 21 private schools belonging to The Association of Boarding Schools (TABS) serving 6,726 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top-ranked private schools belonging to The Association of Boarding Schools (TABS) in Connecticut include Indian Mountain School, Miss Porter's School, and Choate Rosemary Hall.
The average tuition cost is $66,561, which is higher than the Connecticut private school average tuition cost of $28,433.
Top-Ranked Private Schools Belonging to The Association of Boarding Schools (TABS) in Connecticut (2026)
School
Location
Quick Facts
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Pomfret, CT 06258
(860) 928-1328
Gr: K-9 Avg. class size: 10 students Sports: 23 | Extracurrculars: 27 Tuition listed
40 Bulls Bridge Road
South Kent, CT 06785
(860) 927-3539
South Kent, CT 06785
(860) 927-3539
Gr: 9-12 | 170 students Avg. class size: 15 students Sports: 13 | Extracurrculars: 10 Tuition & acceptance rate listed
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Middlebury, CT 06762
(203) 577-4521
Gr: 9-12 | 192 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 26 Tuition & acceptance rate listed
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Oakdale, CT 06370
(860) 823-3861
Gr: 8-12 | 180 students Avg. class size: 11 students Sports: 9 | Extracurrculars: 11 Tuition & acceptance rate listed
Avon Old Farms School![Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.]( "Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.")
All-boys
500 Old Farms Rd
Avon, CT 06001
(860) 404-4100
Avon, CT 06001
(860) 404-4100
Gr: 9-12 | 415 students Avg. class size: 12 students Sports: 15 Tuition listed
Canterbury School![Canterbury School Photo - At Canterbury School, a balanced educational experience integrates academic achievement, personal growth, and community engagement. As a welcoming interfaith community, Canterbury fosters a sense of belonging, providing passionate educators and transformative opportunities that guide you toward your fullest potential. This is what makes Canterbury School more than just a place to learn-it's a place to become your best self.]( "Canterbury School Photo - At Canterbury School, a balanced educational experience integrates academic achievement, personal growth, and community engagement. As a welcoming interfaith community, Canterbury fosters a sense of belonging, providing passionate educators and transformative opportunities that guide you toward your fullest potential. This is what makes Canterbury School more than just a place to learn-it's a place to become your best self.")
(Catholic)
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
New Milford, CT 06776
(860) 210-3800
Gr: 9-12 | 332 students Avg. class size: 12 students Sports: 18 | Extracurrculars: 18 Tuition & acceptance rate listed
10 Main St
Cheshire, CT 06410
(203) 439-7250
Cheshire, CT 06410
(203) 439-7250
Gr: 9-12 | 369 students Avg. class size: 10 students Sports: 14 | Extracurrculars: 24 Tuition & acceptance rate listed
333 Christian Street
Wallingford, CT 06492
(203) 697-2000
Wallingford, CT 06492
(203) 697-2000
Gr: 9-12 | 865 students Avg. class size: 12 students Sports: 24 Tuition & acceptance rate listed
The Ethel Walker School![The Ethel Walker School Photo]( "The Ethel Walker School Photo")
All-girls
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Simsbury, CT 06070
(860) 408-4200
Gr: 7-12 | 226 students Avg. class size: 7 students Sports: 15 | Extracurrculars: 51 Tuition & acceptance rate listed
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Lakeville, CT 06039
(860) 435-3102
Gr: 9-12 | 627 students Avg. class size: 15 students Sports: 23 Tuition & acceptance rate listed
211 Indian Mountain Road
Lakeville, CT 06039
(860) 435-0871
Lakeville, CT 06039
(860) 435-0871
Gr: PK-9 | 320 students Avg. class size: 12 students Sports: 19 | Extracurrculars: 23 Tuition & acceptance rate listed
Marianapolis Preparatory School![Marianapolis Preparatory School Photo]( "Marianapolis Preparatory School Photo")
(Catholic)
26 Chase Road
Thompson, CT 06277
(860) 923-9245
Thompson, CT 06277
(860) 923-9245
Gr: 9-12 Avg. class size: 15 students Sports: 16 | Extracurrculars: 34 Tuition listed
Miss Porter's School![Miss Porter's School Photo]( "Miss Porter's School Photo")
All-girls
60 Main St.
Farmington, CT 06032
(860) 409-3500
Farmington, CT 06032
(860) 409-3500
Gr: 9-12 | 342 students Avg. class size: 12 students Sports: 18 Tuition & acceptance rate listed
398 Pomfret St
Pomfret, CT 06258
(860) 963-6147
Pomfret, CT 06258
(860) 963-6147
Gr: 9-12 | 358 students Avg. class size: 11 students Sports: 18 Tuition listed
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Washington Depot, CT 06794
(860) 868-0535
Gr: PK-9 | 328 students Avg. class size: 12 students Sports: 17 Tuition & acceptance rate listed
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
Salisbury, CT 06068
(860) 435-5732
Gr: 9-12 | 310 students Avg. class size: 12 students Sports: 20 | Extracurrculars: 31 Tuition & acceptance rate listed
185 North Main Street
Suffield, CT 06078
(860) 386-4400
Suffield, CT 06078
(860) 386-4400
Gr: 9-12 | 410 students Avg. class size: 10 students Sports: 24 Tuition & acceptance rate listed
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Watertown, CT 06795
(860) 945-7777
Gr: 9-12 | 580 students Avg. class size: 11 students Sports: 17 Tuition & acceptance rate listed
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3043
Simsbury, CT 06070
(860) 408-3043
Gr: 9-12 | 412 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 21 Tuition & acceptance rate listed
Forman School![Forman School Photo - Fall Sports: Boys Soccer, Girls Soccer, Boatbuilding, Cross-Country, Rock Climbing, Girls Volleyball]( "Forman School Photo - Fall Sports: Boys Soccer, Girls Soccer, Boatbuilding, Cross-Country, Rock Climbing, Girls Volleyball")
Special Education School
12 Norfolk Rd
Litchfield, CT 06759
(860) 567-1802
Litchfield, CT 06759
(860) 567-1802
Gr: 9-12 | 175 students Avg. class size: 8 students Sports: 18 | Extracurrculars: 10 Tuition & acceptance rate listed
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Kent, CT 06757
(860) 927-0047
Gr: 9-12 | 115 students Avg. class size: 7 students Sports: 14 | Extracurrculars: 15 Tuition listed
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