Rumsey Hall School Photo

Best Connecticut Private High Schools Belonging to The Association of Boarding Schools (TABS) (2025)

For the 2025 school year, there are 21 private high schools belonging to The Association of Boarding Schools (TABS) serving 6,743 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top ranked private high schools belonging to The Association of Boarding Schools (TABS) in Connecticut include Choate Rosemary Hall, Westminster School, and The Hotchkiss School.
The average tuition cost is $67,222, which is higher than the Connecticut private high school average tuition cost of $39,371.
19% of private high schools belonging to The Association of Boarding Schools (TABS) in Connecticut are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private High Schools Belonging to The Association of Boarding Schools (TABS) in Connecticut (2025)

School
Location
Quick Facts
Rectory School
Rectory School Photo - Rectory School, nestled on 138 acres in Pomfret, Connecticut, is a distinguished K-9 private institution renowned as a "Junior Boarding School." Offering both 5-day and 7-day boarding options for students in grades 5-9, Rectory ensures a comprehensive educational experience.
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Gr: K-9 Avg. class size: 10 students Sports: 23 | Extracurrculars: 27 Tuition listed
Westover School
Westover School Photo
All-girls
(2)
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Gr: 9-12 | 192 students Avg. class size: 12 students Sports: 16 | Extracurrculars: 26 Tuition & acceptance rate listed
St. Thomas More School
St. Thomas More School Photo
(2)
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Gr: 8-12 | 162 students Avg. class size: 9 students Sports: 9 | Extracurrculars: 13 Tuition & acceptance rate listed
South Kent School
South Kent School Photo
All-boys (Episcopal)
(2)
40 Bulls Bridge Road
South Kent, CT 06785
(860) 927-3539
Gr: 9-12 | 170 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 9 Tuition 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.
All-boys
500 Old Farms Rd
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.
(Catholic)
101 Aspetuck Avenue
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
Cheshire Academy
Cheshire Academy Photo - Character development has long been a priority at Cheshire Academy. The Eight Pillars of Bowden are the ways in which we demonstrate our core values and basic beliefs: Respect, Responsibility, Caring, Civility, Citizenship, Morality, Fairness and Trustworthiness.
10 Main St
Cheshire, CT 06410
(203) 439-7250
Gr: 9-12 | 369 students Avg. class size: 10 students Sports: 14 | Extracurrculars: 24 Tuition & acceptance rate listed
Choate Rosemary Hall
Choate Rosemary Hall Photo - A community like no other, Choate is a place where you never have to do it alone. Advisers, peers, and the entire community are bonded by mutual respect, a passion for learning, and a spirit of supporting and challenging one another:
333 Christian Street
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
All-girls
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Gr: 7-12 | 226 students Avg. class size: 7 students Sports: 15 | Extracurrculars: 51 Tuition & acceptance rate listed
The Hotchkiss School
The Hotchkiss School Photo - Varsity Sailing Blue
11 Interlaken Road
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
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
(Catholic)
26 Chase Road
Thompson, CT 06277
(860) 923-9245
Gr: 9-12 Avg. class size: 12 students Sports: 16 | Extracurrculars: 34 Tuition listed
Miss Porter's School
Miss Porter's School Photo
All-girls
60 Main St.
Farmington, CT 06032
(860) 409-3500
Gr: 9-12 | 335 students Avg. class size: 12 students Sports: 18 Tuition & acceptance rate listed
Pomfret School
Pomfret School Photo
398 Pomfret St
Pomfret, CT 06258
(860) 963-6147
Gr: 9-12 | 358 students Avg. class size: 11 students Sports: 18 Tuition listed
Rumsey Hall School
Rumsey Hall School Photo
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Gr: PK-9 | 328 students Avg. class size: 12 students Sports: 17 Tuition & acceptance rate listed
Salisbury School
Salisbury School Photo
All-boys (Episcopal)
(2)
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
Gr: 9-12 | 310 students Avg. class size: 12 students Sports: 20 | Extracurrculars: 31 Tuition & acceptance rate listed
Suffield Academy
Suffield Academy Photo - Bell Hill
185 North Main Street
Suffield, CT 06078
(860) 386-4400
Gr: 9-12 | 410 students Avg. class size: 10 students Sports: 24 Tuition & acceptance rate listed
The Taft School
The Taft School Photo - Taft's 226-acre campus is in New England's beautiful Litchfield County, Connecticut.
(2)
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Gr: 9-12 | 580 students Avg. class size: 11 students Sports: 17 Tuition & acceptance rate listed
Westminster School
Westminster School Photo - Armor Academic Center on the campus of Westminster School.
995 Hopmeadow Street
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
Special Education School
12 Norfolk Rd
Litchfield, CT 06759
(860) 567-1802
Gr: 9-12 | 212 students Avg. class size: 8 students Sports: 20 | Extracurrculars: 11 Tuition & acceptance rate listed
Marvelwood School
Marvelwood School Photo - Our beautiful 83-acre campus is located in Kent, Connecticut. We welcome you to visit.
(2)
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Gr: 9-12 | 120 students Avg. class size: 7 students Sports: 16 | Extracurrculars: 13 Tuition & acceptance rate listed

Recent Articles

7 Ways Kids Can Avoid Summer Brain Drain
7 Ways Kids Can Avoid Summer Brain Drain
The summer "Brain Drain," also known as the "Summer Slide" is a term commonly used by educators and parents alike to describe the learning loss that takes place for many students during summer months. We polled the experts and found the 7 best ways parents and kids can combat the problem head on.
What's Being Taught?
What's Being Taught?
This article examines the academic offerings in American private high schools, discussing graduation requirements, college preparation, accreditation, and advanced programs like AP and IB. It emphasizes the importance of understanding a school's curriculum when choosing the right educational environment for a child.
Waldorf Schools
Waldorf Schools
Waldorf schools offer a well thought out approach to K-12 education.