For the 2026 school year, there are 23 college-prep and junior boarding schools serving 7,753 students located throughout Connecticut.
You can also browse our full boarding school directory or specify additional search criteria.
Best Connecticut Boarding Schools (2026)
Top Connecticut Boarding Schools (2026)
Gr: 9-12 | 40 students
Student-teacher ratio: 4:1
Avg. class size: 8 students
Acceptance rate: 90%
Tuition listed
All-girls (Roman Catholic)
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
Avon, CT
Gr: 9-12, PG | 405 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Acceptance rate: 45%
Tuition listed
All-boys
500 Old Farms Road
Avon, CT 06001
(800) 464-2866
Gr: 9-12, PG | 332 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Tuition listed
Catholic heritage
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3832
Gr: 9-12, PG | 343 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Acceptance rate: 45%
Tuition listed
10 Main Street
Cheshire, CT 06410
(203) 439-7250
Gr: 9-12, PG | 859 students
Student-teacher ratio: 6:1
Avg. class size: 11 students
Acceptance rate: 16%
Tuition listed
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Gr: 7-12, PG | 6-12, PG (day) | 226 students
Student-teacher ratio: 7:1
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 | 210 students
Student-teacher ratio: 4:1
Avg. class size: 8 students
Acceptance rate: 80%
Tuition listed
12 Norfolk Road, P.O. Box 80
Litchfield, CT 06759
(860) 567-1802
Gr: 9-12, PG | 330 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Tuition listed
99 Green Hill Road
Washington, CT 06793
(860) 868-7334
Gr: 5-9 | PK-9 (day) | 300 students
Student-teacher ratio: 4:1
Avg. class size: 12 students
Acceptance rate: 40%
Tuition listed
211 Indian Mountain Road
Lakeville, CT 06039
(435) 480-0871
Kent, CT
Gr: 9-12, PG | 520 students
Student-teacher ratio: 5:1
Avg. class size: 11 students
Tuition listed
Episcopalian
1 Macedonia Road
Kent, CT 06757
(860) 927-6111
Gr: 9-12, PG | 748 students
Student-teacher ratio: 4:1
Avg. class size: 11 students
Acceptance rate: 18%
Tuition listed
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Thompson, CT
Gr: 9-12, PG | 213 students
Student-teacher ratio: 8:1
Avg. class size: 13 students
Tuition listed
Catholic
26 Chase Road
Thompson, CT
(860) 923-9565
Gr: 9-12, PG | 120 students
Student-teacher ratio: 3:1
Avg. class size: 7 students
Acceptance rate: 80%
Tuition listed
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Gr: 9-12 | 347 students
Student-teacher ratio: 6:1
Avg. class size: 12 students
Acceptance rate: 40%
Tuition listed
All-girls
60 Main Street
Farmington, CT 06032
(860) 409-3530
Gr: 9-12, PG | 350 students
Student-teacher ratio: 6:1
Avg. class size: 10 students
Tuition listed
PO Box 128, 398 Pomfret Street
Pomfret, CT 06258
(860) 963-6120
Gr: 5-9 | PK-9 (day) | 250 students
Student-teacher ratio: 4:1
Avg. class size: 10 students
Tuition listed
P.O. Box 68 528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Gr: 5-9 | PK-9 (day) | 328 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 80%
Tuition listed
201 Romford Rd.
Washington, CT 06794
(860) 868-0535
Gr: 8-12, PG | 175 students
Student-teacher ratio: 5:1
Avg. class size: 8 students
Acceptance rate: 69%
Tuition listed
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Gr: 9-12, PG | 319 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 33%
Tuition listed
All-boys (Episcopalian)
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
South Kent, CT
Gr: 9-12, PG | 170 students
Student-teacher ratio: 8:1
Avg. class size: 12 students
Tuition listed
All-boys (Episcopal)
40 Bulls Bridge Rd
South Kent, CT 06785
(860) 927-3539
Gr: 9-12, PG | 583 students
Student-teacher ratio: 5:1
Avg. class size: 11 students
Acceptance rate: 19%
Tuition listed
110 Woodbury Road
Watertown, CT 06795
(860) 945-7700
Gr: 9-12, PG | 425 students
Student-teacher ratio: 5:1
Avg. class size: 12 students
Acceptance rate: 33%
Tuition listed
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3060
Gr: 9-12 | 160 students
Student-teacher ratio: 4:1
Avg. class size: 12 students
Acceptance rate: 65%
Tuition listed
All-girls
1237 Whittemore Rd.
Middlebury, CT 06762
(203) 577-4521
Frequently Asked Questions
How many boarding schools are located in Connecticut?
There are 23 college-preparatory boarding schools located in Connecticut.
What is the average tuition cost of boarding school in Connecticut?
The average Connecticut boarding school tuition cost is $70,444 per year.
What is the oldest boarding school in Connecticut?
Cheshire Academy, founded in 1794, is the oldest boarding school in Connecticut.
What boarding school in Connecticut has the lowest acceptance rates?
Choate Rosemary Hall has the lowest boarding school acceptance rate (16%) in Connecticut.
What boarding school in Connecticut has the highest average SAT scores?
Westover School has the highest average SAT scores (1410) in Connecticut.
Which boarding schools in Connecticut are often viewed compared to one another?
Popular comparisons of boarding schools in Connecticut include: The Taft School vs. Choate Rosemary Hall, Loomis Chaffee vs. Choate Rosemary Hall, Salisbury School vs. Avon Old Farms School
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Quick Facts (2026)
- # Boarding Schools: 23
- # Students Served: 7,753
- Average Tuition: $70,444
- Average Acceptance Rate: 50%
- Average Class Size: 11 students
- % Students Boarding: 72%
- % International Students: 25%
- % Students of Color: 28%
- % Students on Financial Aid: 43%
- Average SAT Score: 1,257
- % Faculty w/Advanced Degree: 67%
Featured Schools
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- Boarding school directory (282)
- All-girls boarding schools (22)
- All-boys boarding schools (31)
- Military boarding schools (16)
- LD boarding schools (164)
- Junior boarding schools (116)
- Arts boarding schools (4)
- Summer boarding programs (220)
- Dual language immersion programs (19)
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