Oldest Private High Schools in Connecticut

The average private high school in Connecticut was founded around 1940 (2026-27).
The oldest private high school in Connecticut is Hopkins School, founded in 1660.

Quick Facts (26-27)

  • # CT Schools Ranked: 136
  • Top 20 Range (Year Founded): 1660–1890
  • CT School Avg.: 1940
  • National School Avg.: 1967

Quick Facts (26-27)

  • # CT Schools Ranked: 136
  • Top 20 Range (Year Founded): 1660–1890
  • CT School Avg.: 1940
  • National School Avg.: 1967
Show school map — Connecticut (year founded range: 1660–1890, avg 1940)
Year Founded Range: 1660 1909 Avg. Year Founded: 1869

Oldest Private High Schools in Connecticut (2026-27)

Hopkins School Photo
Gr: 7-12 | 717 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 23
986 Forest Road
New Haven, CT 06515
(203) 397-1001
(6)
Cheshire Academy Photo
Gr: 9-12 | 369 students
Avg. class size: 10 students
Sports: 14 | Extracurriculars: 24
10 Main St
Cheshire, CT 06410
(203) 439-7250
Map of The Grace S Webb School
Gr: 1-12 | 95 students
Special Education School
200 Retreat Ave
Hartford, CT 06106
(860) 545-7238
(1)
Map of The Webb School In The Valley
Gr: 3-12 | 25 students
Special Education School
135 Darling Dr
Avon, CT 06001
(860) 285-0055
Map of Greenwich Academy
Gr: PK-12 | 830 students
All-girls
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
(2)
Suffield Academy Photo
Gr: 9-12 | 410 students
Avg. class size: 10 students
Sports: 24
185 North Main Street
Suffield, CT 06078
(860) 386-4400
Miss Porter's School Photo
Gr: 9-12 | 342 students
Avg. class size: 12 students
Sports: 18
All-girls
60 Main St.
Farmington, CT 06032
(860) 409-3500
Map of Ms. Phelps' Preparatory School
Gr: 9-12
Avg. class size: 10 students
Sports: 2 | Extracurriculars: 6
All-girls | Specialized Curriculum
41 Newport Road
Oneco, CT 06373
(860) 771-8565
Sacred Heart Greenwich Photo
Gr: PK-12 | 680 students
Avg. class size: 13 students
Sports: 17 | Extracurriculars: 17
All-girls (Catholic)
1177 King Street
Greenwich, CT 06831
(609) 261-2273
(7)
The Frederick Gunn School Photo
Gr: 9-12 | 330 students
Avg. class size: 12 students
Sports: 15 | Extracurriculars: 22
99 Green Hill Rd
Washington, CT 06793
(860) 868-7334
Map of Connecticut Junior Republic-bristol
Gr: 6-12 | 59 students
All-girls | Special Education School
30 Pleasant St
Bristol, CT 06010
(860) 845-8010
(1)
Chase Collegiate School Photo
Gr: PK-12 | 164 students
Avg. class size: 12 students
Sports: 11
565 Chase Parkway
Waterbury, CT 06708
(203) 236-9561
King School Photo
#12(T12–T13)King School
Gr: PK-12 | 736 students
Avg. class size: 12 students
Sports: 19 | Extracurriculars: 42
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Academy Of The Holy Family Photo
Gr: 9-12 | 30 students
Avg. class size: 8 students
Sports: 5 | Extracurriculars: 11
All-girls (Catholic)
54 W Main St. Box 691
Baltic, CT 06330
(860) 822-9272
Map of The Loomis Chaffee School
Gr: 9-12 | 703 students
Avg. class size: 11 students
Sports: 19
4 Batchelder Road
Windsor, CT 06095
(860) 687-6000
Watkinson School Photo
Gr: 6-12 | 240 students
Avg. class size: 11 students
Sports: 9 | Extracurriculars: 18
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
(2)
Map of Horace Mann School John Dorr Nature Laboratory
Gr: 2-12 | 1,330 students
220 Nettleton Hollow Rd
Washington, CT 06793
(860) 868-2230
Westminster School Photo
Gr: 9-12 | 412 students
Avg. class size: 12 students
Sports: 16 | Extracurriculars: 21
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3043
Choate Rosemary Hall Photo
#19(T19–T21)Choate Rosemary Hall
Gr: 9-12 | 865 students
Avg. class size: 12 students
Sports: 24
333 Christian Street
Wallingford, CT 06492
(203) 697-2000
The Taft School Photo
#19(T19–T21)The Taft School
Gr: 9-12 | 592 students
Avg. class size: 11 students
Sports: 17
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
(2)
Map of University School
#19(T19–T21)University School
Gr: 9-12 | 26 students
Avg. class size: 12 students
Po Box 6129
Bridgeport, CT 06606
(203) 579-0434
The Hotchkiss School Photo
#22(T22–T23)The Hotchkiss School
Gr: 9-12 | 627 students
Sports: 23
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
The Williams School Photo
#22(T22–T23)The Williams School
Gr: 6-12 | 191 students
Avg. class size: 11 students
Sports: 7 | Extracurriculars: 11
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
(5)
Map of Oak Hill School
Gr: K-12 | 106 students
Avg. class size: 9 students
Special Education School
120 Holcomb St
Hartford, CT 06112
(860) 769-3860
Pomfret School Photo
Gr: 9-12 | 358 students
Avg. class size: 11 students
Sports: 18
398 Pomfret St
Pomfret, CT 06258
(860) 963-6120
Map of Adelbrook
#26(T26–T28)Adelbrook
Gr: 5-12 | 79 students
Special Education School
60 Hicksville Rd
Cromwell, CT 06416
(860) 635-5801
(1)
Map of Adelbrook-the Learning Center Of East Hartford
Gr: 7-12 | 36 students
Special Education School
21 Church St
East Hartford, CT 06108
(860) 540-4315
Rumsey Hall School Photo
#26(T26–T28)Rumsey Hall School
Gr: PK-9 | 328 students
Avg. class size: 12 students
Sports: 16
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
Salisbury School Photo
Gr: 9-12 | 310 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 31
All-boys (Episcopal)
251 Canaan Road
Salisbury, CT 06068
(860) 435-5732
(2)
Brunswick School Photo
Gr: PK-12 | 1,046 students
Avg. class size: 11 students
Sports: 20 | Extracurriculars: 14
All-boys
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Map of Connecticut Junior Republic
Gr: 7-12 | 28 students
All-boys | Special Education School
550 Goshen Road
Litchfield, CT 06759
(860) 567-9423
(3)
Lauralton Hall Photo
Gr: 9-12
Avg. class size: 15 students
Sports: 16 | Extracurriculars: 13
All-girls (Catholic)
200 High St
Milford, CT 06460
(203) 877-2786
(3)
Kent School Photo
#33(T33–T34)Kent School
Gr: 9-12 | 504 students
Avg. class size: 12 students
Sports: 17 | Extracurriculars: 65
Episcopal
1 Macedonia Road
Kent, CT 06757
(860) 927-6020
The Oxford Academy Photo
#33(T33–T34)The Oxford Academy
Gr: 8-12 | 48 students
Avg. class size: 1 student
Sports: 8 | Extracurriculars: 13
All-boys
1393 Boston Post Road
Westbrook, CT 06498
(860) 399-6247
(4)
Kingswood Oxford School Photo
Gr: 6-12 | 507 students
Avg. class size: 13 students
Sports: 18 | Extracurriculars: 30
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
(1)
Show 100 more private schools in Connecticut (out of 136 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 1940 for 2026-27.
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 The Grace S Webb School.

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