The average private high school in Connecticut was founded around 1944 (2025).
The oldest private high school in Connecticut is Hopkins School, founded in 1660.
Year Founded Range: 1660
1915
Avg. Year Founded: 1877
Oldest Private High Schools in Connecticut (2025)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1660
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
New Haven, CT 06515
(203) 397-1001
Rank: #33.
Founding Date: 1827
Grades: PK-12
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Greenwich, CT 06830
(203) 625-8900
Rank: #44.
Founding Date: 1833
Grades: 9-12
185 North Main Street
Suffield, CT 06078
(860) 386-4400
Suffield, CT 06078
(860) 386-4400
Rank: #55.
Miss Porter's School![Miss Porter's School Photo]( "Miss Porter's School Photo")
All-girls
Founding Date: 1843
Grades: 9-12
60 Main St.
Farmington, CT 06032
(860) 409-3500
Farmington, CT 06032
(860) 409-3500
Rank: #66.
Founding Date: 1848
Grades: PK-12
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Greenwich, CT 06831
(609) 261-2273
Rank: #77.
Founding Date: 1850
Grades: 9-12
99 Green Hill Rd
Washington, CT 06793
(860) 868-7334
Washington, CT 06793
(860) 868-7334
Rank: #88.
Founding Date: 1858
Grades: 6-12
30 Pleasant St
Bristol, CT 06010
(860) 845-8010
Bristol, CT 06010
(860) 845-8010
Rank: #9 - 109. - 10.
Founding Date: 1865
Grades: PK-12
565 Chase Parkway
Waterbury, CT 06708
(203) 236-9561
Waterbury, CT 06708
(203) 236-9561
Rank: #9 - 109. - 10.
Founding Date: 1865
Grades: PK-12
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Stamford, CT 06905
(203) 322-3496
Rank: #11 - 1211. - 12.
Academy Of The Holy Family![Academy Of The Holy Family Photo - International Day]( "Academy Of The Holy Family Photo - International Day")
All-girls (Catholic)
Founding Date: 1874
Grades: 9-12
54 W Main St. Box 691
Baltic, CT 06330
(860) 822-9272
Baltic, CT 06330
(860) 822-9272
Rank: #11 - 1211. - 12.
Founding Date: 1874
Grades: 9-12
4 Batchelder Road
Windsor, CT 06095
(860) 687-6000
Windsor, CT 06095
(860) 687-6000
Rank: #1313.
Founding Date: 1881
Grades: 6-12
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
Hartford, CT 06105
(860) 236-5618
Rank: #1414.
Founding Date: 1888
Grades: 9-12
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3043
Simsbury, CT 06070
(860) 408-3043
Rank: #15 - 1715. - 17.
Founding Date: 1890
Grades: 9-12
333 Christian Street
Wallingford, CT 06492
(203) 697-2000
Wallingford, CT 06492
(203) 697-2000
Rank: #15 - 1715. - 17.
Founding Date: 1890
Grades: 9-12
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Watertown, CT 06795
(860) 945-7777
Rank: #15 - 1715. - 17.
Founding Date: 1890
Grades: 9-12
Po Box 6129
Bridgeport, CT 06606
(203) 579-0434
Bridgeport, CT 06606
(203) 579-0434
Rank: #18 - 1918. - 19.
Founding Date: 1891
Grades: 9-12
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Lakeville, CT 06039
(860) 435-3102
Rank: #18 - 1918. - 19.
Founding Date: 1891
Grades: 6-12
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
New London, CT 06320
(860) 443-5333
Rank: #2020.
Oak Hill School
Special Education School
Founding Date: 1893
Grades: K-12
120 Holcomb St
Hartford, CT 06112
(860) 769-3860
Hartford, CT 06112
(860) 769-3860
Rank: #2121.
Founding Date: 1894
Grades: 9-12
398 Pomfret St
Pomfret, CT 06258
(860) 963-6147
Pomfret, CT 06258
(860) 963-6147
Rank: #22 - 2322. - 23.
Founding Date: 1900
Grades: 5-12
60 Hicksville Rd
Cromwell, CT 06416
(860) 635-5801
Cromwell, CT 06416
(860) 635-5801
Rank: #22 - 2322. - 23.
Founding Date: 1900
Grades: PK-9
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Washington Depot, CT 06794
(860) 868-0535
Rank: #2424.
Founding Date: 1901
Grades: 9-12
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
Salisbury, CT 06068
(860) 435-5732
Rank: #2525.
Brunswick School![Brunswick School Photo - Middle School Campus on King Street]( "Brunswick School Photo - Middle School Campus on King Street")
All-boys
Founding Date: 1902
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Greenwich, CT 06830
(203) 625-5800
Rank: #2626.
Founding Date: 1904
Grades: 7-12
550 Goshen Road
Litchfield, CT 06759
(860) 567-9423
Litchfield, CT 06759
(860) 567-9423
Rank: #2727.
Founding Date: 1905
Grades: 9-12
200 High St
Milford, CT 06460
(203) 877-2786
Milford, CT 06460
(203) 877-2786
Rank: #28 - 2928. - 29.
Kent School![Kent School Photo]( "Kent School Photo")
(Episcopal)
Founding Date: 1906
Grades: 9-12
1 Macedonia Road
Kent, CT 06757
(860) 927-6020
Kent, CT 06757
(860) 927-6020
Rank: #28 - 2928. - 29.
Founding Date: 1906
Grades: 8-12
1393 Boston Post Road
Westbrook, CT 06498
(860) 399-6247
Westbrook, CT 06498
(860) 399-6247
Rank: #30 - 3130. - 31.
Founding Date: 1909
Grades: 6-12
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
West Hartford, CT 06119
(860) 727-5000
Rank: #30 - 3130. - 31.
Founding Date: 1909
Grades: 9-12
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Middlebury, CT 06762
(203) 577-4521
Rank: #3232.
The Ethel Walker School![The Ethel Walker School Photo]( "The Ethel Walker School Photo")
All-girls
Founding Date: 1911
Grades: 6-12
230 Bushy Hill Road
Simsbury, CT 06070
(860) 408-4200
Simsbury, CT 06070
(860) 408-4200
Rank: #33 - 3433. - 34.
Founding Date: 1912
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Hamden, CT 06517
(203) 752-2610
Rank: #33 - 3433. - 34.
Whitney Hall School
Special Education School
Founding Date: 1912
Grades: 2-12
1400 Whitney Ave
Hamden, CT 06517
(203) 248-2116
Hamden, CT 06517
(203) 248-2116
Rank: #3535.
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)
Founding Date: 1915
Grades: 9-12
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
New Milford, CT 06776
(860) 210-3800
Show 92 more private schools in CT (out of 127 total schools)
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Frequently Asked Questions
What is the Connecticut average private high schools founding year?
The Connecticut average private high schools founding year is 1944 for 2025.
What are the private high schools with oldest founding year in Connecticut?
The top ranked private high schools in Connecticut include Hopkins School, Cheshire Academy and Greenwich Academy.
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