The average private high school endowment in Connecticut is $68.8M (2025-26).
The private high school in Connecticut with the highest endowment is The Hotchkiss School, with a endowment of $617M.
Endowment Range: $2M
$617M
Avg. Endowment: $69M
Average Private High School endowment in Connecticut (2025-26)
School
Endowment
Grades
Location
Rank: #11.
Endowment: $617 M
Grades: 9-12
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Lakeville, CT 06039
(860) 435-3102
Rank: #22.
Endowment: $283 M
Grades: 9-12
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Watertown, CT 06795
(860) 945-7777
Rank: #33.
Endowment: $190 M
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
New Haven, CT 06515
(203) 397-1001
Rank: #44.
Brunswick School![Brunswick School Photo - Middle School Campus on King Street Brunswick School Photo - Middle School Campus on King Street]()

All-boys
Endowment: $179 M
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Greenwich, CT 06830
(203) 625-5800
Rank: #55.
Miss Porter's School![Miss Porter's School Photo Miss Porter's School Photo]()

All-girls
Endowment: $164 M
Grades: 9-12
60 Main St.
Farmington, CT 06032
(860) 409-3500
Farmington, CT 06032
(860) 409-3500
Rank: #6 - 76. - 7.
Chapel Haven Schleifer Center![Chapel Haven Schleifer Center Photo - Chapel Haven Schleifer Center has transformed its campus with a $45 million upgrade that includes a new REACH residential and classroom campus, a new Welcome Center, and the Schleifer Adult Independent Living Center for lifelong independent living. Chapel Haven Schleifer Center Photo - Chapel Haven Schleifer Center has transformed its campus with a $45 million upgrade that includes a new REACH residential and classroom campus, a new Welcome Center, and the Schleifer Adult Independent Living Center for lifelong independent living.]()

Special Education School
Endowment: $100 M
Grades: 12
1040 Whalley Avenue
New Haven, CT 06515
(203) 397-1714
New Haven, CT 06515
(203) 397-1714
Rank: #6 - 76. - 7.
Endowment: $100 M
Grades: 9-12
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3043
Simsbury, CT 06070
(860) 408-3043
Rank: #88.
Endowment: $80 M
Grades: 9-12
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
Salisbury, CT 06068
(860) 435-5732
Rank: #99.
Endowment: $75 M
Grades: 9-12
185 North Main Street
Suffield, CT 06078
(860) 386-4400
Suffield, CT 06078
(860) 386-4400
Rank: #1010.
Endowment: $70 M
Grades: NS-12
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Greenwich, CT 06830
(203) 863-5600
Rank: #1111.
Endowment: $69 M
Grades: 9-12
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Middlebury, CT 06762
(203) 577-4521
Rank: #1212.
Endowment: $51 M
Grades: NS-9
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
New Canaan, CT 06840
(203) 972-0771
Rank: #1313.
Endowment: $50 M
Grades: 5-12
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
New Canaan, CT 06840
(203) 801-4833
Rank: #1414.
Endowment: $50 M
Grades: 9-12
Po Box 6129
Bridgeport, CT 06606
(203) 579-0434
Bridgeport, CT 06606
(203) 579-0434
Rank: #1515.
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)
Endowment: $44 M
Grades: 9-12
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
New Milford, CT 06776
(860) 210-3800
Rank: #1616.
Endowment: $40 M
Grades: PK-12
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Stamford, CT 06905
(203) 322-3496
Rank: #1717.
The Ethel Walker School![The Ethel Walker School Photo The Ethel Walker School Photo]()

All-girls
Endowment: $35 M
Grades: 7-12
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Simsbury, CT 06070
(860) 408-4200
Rank: #1818.
Endowment: $28 M
Grades: 9-12
73 Southern Blvd
Danbury, CT 06810
(203) 744-1510
Danbury, CT 06810
(203) 744-1510
Rank: #1919.
Endowment: $27 M
Grades: 9-12
99 Green Hill Rd
Washington, CT 06793
(860) 868-7334
Washington, CT 06793
(860) 868-7334
Rank: #2020.
Endowment: $26 M
Grades: K-9
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Pomfret, CT 06258
(860) 928-1328
Rank: #2121.
Endowment: $17 M
Grades: 6-12
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
New London, CT 06320
(860) 443-5333
Rank: #2323.
Endowment: $14 M
Grades: 9-12
40 Bulls Bridge Road
South Kent, CT 06785
(860) 927-3539
South Kent, CT 06785
(860) 927-3539
Rank: #2424.
Endowment: $12 M
Grades: PK-9
211 Indian Mountain Road
Lakeville, CT 06039
(860) 435-0871
Lakeville, CT 06039
(860) 435-0871
Rank: #2525.
Endowment: $11 M
Grades: 9-12
476 Skiff Mountain Road
Kent, CT 06757
(860) 927-0047
Kent, CT 06757
(860) 927-0047
Rank: #26 - 2826. - 28.
Covenant Academy
Special Program Emphasis (Presbyterian)
Endowment: $10 M
Grades: 4-10
26 Deer Mdw
Tolland, CT 06084
(860) 983-0805
Tolland, CT 06084
(860) 983-0805
Rank: #26 - 2826. - 28.
Endowment: $10 M
Grades: K-9
50 Loomis Place
New Haven, CT 06511
(203) 777-3464
New Haven, CT 06511
(203) 777-3464
Rank: #26 - 2826. - 28.
Kent School![Kent School Photo Kent School Photo]()

(Episcopal)
Endowment: $10 M
Grades: 9-12
1 Macedonia Road
Kent, CT 06757
(860) 927-6020
Kent, CT 06757
(860) 927-6020
Rank: #2929.
Endowment: $9 M
Grades: 9-12
24 Ricardo St
West Haven, CT 06516
(203) 937-3217
West Haven, CT 06516
(203) 937-3217
Rank: #3030.
Endowment: $9.5 M
Grades: 6-12
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
Hartford, CT 06105
(860) 236-5618
Rank: #3131.
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
Endowment: $8 M
Grades: 9-12
12 Norfolk Rd
Litchfield, CT 06759
(860) 567-1802
Litchfield, CT 06759
(860) 567-1802
Rank: #3232.
Endowment: $5 M
Grades: 9-12
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Middletown, CT 06457
(860) 346-7735
Rank: #3333.
Endowment: $4 M
Grades: 8-12
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Oakdale, CT 06370
(860) 823-3861
Rank: #3434.
Endowment: $3 M
Grades: 9-12
29 Wampanoag Drive
West Hartford, CT 06117
(860) 236-4221
West Hartford, CT 06117
(860) 236-4221
Rank: #3535.
The Greenwich Japanese School
Special Program Emphasis
Endowment: $2 M
Grades: 1-9
15 Ridgeway
Greenwich, CT 06831
(203) 629-9039
Greenwich, CT 06831
(203) 629-9039
Frequently Asked Questions
What is the Connecticut average private high schools endowment?
The Connecticut average private high schools endowment is $68.8M for 2025-26.
What are the private high schools with the highest endowment in Connecticut?
The top ranked private high schools in Connecticut include The Hotchkiss School, The Taft School and Hopkins School.
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