For the 2025-26 school year, there are 22 private high schools belonging to Other school association(s) serving 4,978 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top ranked private high schools belonging to Other school association(s) in Connecticut include Greenwich Academy, King School, and Suffield Academy.
The average tuition cost is $46,674, which is higher than the Connecticut private high school average tuition cost of $39,324.
18% of private high schools belonging to Other school association(s) in Connecticut are religiously affiliated (most commonly Catholic).
Top Ranked Private High Schools Belonging to Other school association(s) in Connecticut (2025-26)
School
Location
Quick Facts
986 Forest Road
New Haven, CT 06515
(203) 397-1001
New Haven, CT 06515
(203) 397-1001
Gr: 7-12 | 724 students Avg. class size: 12 students Sports: 20 | Extracurrculars: 23 Tuition & acceptance rate listed
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Stamford, CT 06905
(203) 322-3496
Gr: PK-12 | 718 students Avg. class size: 12 students Sports: 19 | Extracurrculars: 42 Tuition listed
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
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Oakdale, CT 06370
(860) 823-3861
Gr: 8-12 | 162 students Avg. class size: 9 students Sports: 9 | Extracurrculars: 13 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
550 Goshen Road
Litchfield, CT 06759
(860) 567-9423
Litchfield, CT 06759
(860) 567-9423
Gr: 7-12 | 28 students
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Greenwich, CT 06830
(203) 625-8900
Gr: PK-12 | 830 students
Intensive Education Academy In
Special Education School
840 North Main St.
West Hartford, CT 06117
(860) 236-2049
West Hartford, CT 06117
(860) 236-2049
Gr: 2-12 | 56 students Avg. class size: 7 students Sports: 1 | Extracurrculars: 2 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
1 Notre Dame Way
West Haven, CT 06516
(203) 937-3217
West Haven, CT 06516
(203) 937-3217
Gr: 9-12 | 518 students Avg. class size: 15 students Tuition & acceptance rate listed
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Fairfield, CT 06825
(203) 372-6521
Gr: 9-12 | 506 students Avg. class size: 18 students Sports: 22 | Extracurrculars: 18 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
Adelbrook-the Learning Center Of East Hartford
Special Education School
21 Church St
East Hartford, CT 06108
(860) 540-4315
East Hartford, CT 06108
(860) 540-4315
Gr: 7-12 | 36 students
Devereux Glenholme School
Special Education School
81 Sabbaday Lane
Washington, CT 06793
(860) 868-7377
Washington, CT 06793
(860) 868-7377
Gr: 5-12 | 57 students Avg. class size: 10 students Sports: 4 | Extracurrculars: 15 Tuition listed
1678 Asylum Ave
West Hartford, CT 06117
(860) 232-5616
West Hartford, CT 06117
(860) 232-5616
Gr: 1-12 | 144 students
Grove School
Special Education School
175 Copse Rd
Madison, CT 06443
(203) 245-2778
Madison, CT 06443
(203) 245-2778
Gr: 7-12 | 94 students Tuition listed
Joshua Center Thames Valley
Special Education School
11a Stott Ave
Norwich, CT 06360
(860) 823-5320
Norwich, CT 06360
(860) 823-5320
Gr: 7-12 | 21 students Avg. class size: 15 students
The Light House Voc-ed Center
Special Education School
312 Main St
Niantic, CT 06357
(860) 445-7626
Niantic, CT 06357
(860) 445-7626
Gr: 1-10 | 6 students
141 N Main St
West Hartford, CT 06107
(860) 236-4565
West Hartford, CT 06107
(860) 236-4565
Gr: PK-9 | 155 students Avg. class size: 20 students Tuition listed
Raymond Hill School
Special Education School
370 Linwood St
New Britain, CT 06052
(860) 832-5701
New Britain, CT 06052
(860) 832-5701
Gr: 2-12 | 69 students
Rushford Academy School
All-boys | Special Education School
459r Wallingford Rd
Durham, CT 06422
(860) 349-1989
Durham, CT 06422
(860) 349-1989
Gr: 9-12 | 8 students
21 Arch Bridge Rd
Bethlehem, CT 06751
(203) 266-8031
Bethlehem, CT 06751
(203) 266-8031
Gr: 7-12 | 21 students Tuition listed
Recent Articles
What Is an Independent School? Definition & Guide 2025
Explore what defines an independent school in 2025 — governance, mission, cost, enrollment and how to evaluate independent schools as a parent or educator.
What’s a Private School? A 2025 Guide for Parents & Students
Explore what defines a private school, its tuition, enrollment trends, and how it differs from public options in 2025—clear, authoritative insights.
Financial Aid for Community College: What Private-School Families Need to Know
A guide for private-school families navigating financial aid for community college—what to expect, how it works, and key strategies in 2025.
