Largest Connecticut Private Schools
The average private school in Connecticut has 165 students (2021).
The largest private school in Connecticut is Horace Mann School John Dorr Nature Laboratory with 1,330 students.
The private schools with the largest student enrollments are listed below.
Largest Connecticut Private Schools (2021)
School
# Students
Grades
Location
Students: 1,330
Grades: 2-12
220 Nettleton Hollow Rd
Washington, CT 06793
(860) 868-2230
Washington, CT 06793
(860) 868-2230
Rank: #22.
Students: 1,251
Grades: NS-12
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
Greenwich, CT 06830
(203) 863-5600
Rank: #33.
Brunswick School![Brunswick School Photo - Lower School gallery with dinosaur replica in the atrium leads into "pods" for each grade level.]( "Brunswick School Photo - Lower School gallery with dinosaur replica in the atrium leads into \"pods\" for each grade level.")
All-boys
Students: 1,006
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Greenwich, CT 06830
(203) 625-5800
Rank: #44.
Students: 850
Grades: 9-12
333 Christian Street
Wallingford, CT 06492
(203) 697-2338
Wallingford, CT 06492
(203) 697-2338
Rank: #55.
Fairfield College Preparatory
All-boys (Roman Catholic)
Students: 826
Grades: 9-12
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Fairfield, CT 06824
(203) 254-4200
Rank: #66.
Students: 811
Grades: PK-12
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8915
Greenwich, CT 06830
(203) 625-8915
Rank: #77.
Students: 794
Grades: 9-12
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Trumbull, CT 06611
(203) 378-9378
Rank: #88.
Students: 731
Grades: NS-12
1177 King Street
Greenwich, CT 06831
(203) 532-3534
Greenwich, CT 06831
(203) 532-3534
Rank: #99.
Students: 714
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
New Haven, CT 06515
(203) 397-1001
Rank: #1010.
Students: 713
Grades: PK-12
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Greens Farms, CT 06838
(203) 256-7501
Rank: #1212.
Students: 662
Grades: 9-12
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Middletown, CT 06457
(860) 346-7735
Rank: #1313.
Students: 650
Grades: 9-12
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Windsor, CT 06095
(860) 687-6400
Rank: #1414.
Holy Trinity Catholic Middle School![Holy Trinity Catholic Middle School Photo]( "Holy Trinity Catholic Middle School Photo")
(Roman Catholic)
Students: 648
Grades: 6-8
948 Newfield Avenue
Stamford, CT 06905
(704) 527-7822
Stamford, CT 06905
(704) 527-7822
Rank: #1515.
Students: 612
Grades: 9-12
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Lakeville, CT 06039
(860) 435-3102
Rank: #1616.
Students: 600
Grades: NS-9
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
New Canaan, CT 06840
(203) 972-0771
Rank: #1717.
Students: 597
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Hamden, CT 06517
(203) 752-2610
Rank: #1818.
Students: 587
Grades: 9-12
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Watertown, CT 06795
(860) 945-7777
Rank: #1919.
Students: 581
Grades: 5-12
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
New Canaan, CT 06840
(203) 801-4833
Rank: #2020.
Notre Dame High School
All-boys (Roman Catholic)
Students: 574
Grades: 9-12
24 Ricardo St
West Haven, CT 06516
(203) 933-1673
West Haven, CT 06516
(203) 933-1673
Rank: #2121.
Kent School![Kent School Photo]( "Kent School Photo")
(Episcopal)
Students: 572
Grades: 9-12
1 Macedonia Road
Kent, CT 06757
(860) 927-6111
Kent, CT 06757
(860) 927-6111
Rank: #2222.
All Saints Catholic School
(Roman Catholic)
Students: 560
Grades: PK-8
139 W Rocks Rd
Norwalk, CT 06851
(203) 847-3881
Norwalk, CT 06851
(203) 847-3881
Rank: #2323.
East Catholic High School![East Catholic High School Photo]( "East Catholic High School Photo")
(Roman Catholic)
Students: 555
Grades: 9-12
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Manchester, CT 06042
(860) 649-5336
Rank: #2424.
Notre Dame Catholic High School
(Roman Catholic)
Students: 523
Grades: 9-12
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Fairfield, CT 06825
(203) 372-6521
Rank: #2525.
Students: 518
Grades: 6-12
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
West Hartford, CT 06119
(860) 727-5000
Rank: #2626.
Students: 514
Grades: 9-12
29 Wampanoag Drive
West Hartford, CT 06117
(860) 236-4221
West Hartford, CT 06117
(860) 236-4221
Rank: #2727.
Mercy High School
All-girls (Roman Catholic)
Students: 498
Grades: 9-12
1740 Randolph Road
Middletown, CT 06457
(860) 346-6659
Middletown, CT 06457
(860) 346-6659
Rank: #2828.
Sacred Heart Academy![Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.]( "Sacred Heart Academy Photo - Students learn to work with many painting media such as acrylic, oil, and watercolor in this course that covers painting, design and visual concepts.")
All-girls (Roman Catholic)
Students: 488
Grades: 9-12
265 Benham St
Hamden, CT 06514
(203) 288-2309
Hamden, CT 06514
(203) 288-2309
Rank: #2929.
Students: 484
Grades: K-9
50 Loomis Place
New Haven, CT 06511
(203) 777-3464
New Haven, CT 06511
(203) 777-3464
Rank: #3030.
Students: 480
Grades: NS-8
969 Lake Avenue
Greenwich, CT 06831
(203) 302-3946
Greenwich, CT 06831
(203) 302-3946
Rank: #3131.
Students: 469
Grades: 9-12
200 High St
Milford, CT 06460
(203) 877-2786
Milford, CT 06460
(203) 877-2786
Rank: #3232.
Holy Cross High School![Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross]( "Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross")
(Roman Catholic)
Students: 460
Grades: 9-12
587 Oronoke Rd
Waterbury, CT 06708
(203) 757-9248
Waterbury, CT 06708
(203) 757-9248
Rank: #3333.
Students: 450
Grades: K-12
575 White Plains Rd
Trumbull, CT 06611
(203) 261-6230
Trumbull, CT 06611
(203) 261-6230
Rank: #3434.
Students: 448
Grades: NS-8
223 West Mountain Rd
Ridgefield, CT 06877
(203) 894-1800
Ridgefield, CT 06877
(203) 894-1800
Rank: #3535.
Corpus Christi School
(Roman Catholic)
Students: 423
Grades: K-9
581 Silas Deane Hwy
Wethersfield, CT 06109
(860) 529-5487
Wethersfield, CT 06109
(860) 529-5487
Show 100 more private schools in CT (out of 404 total schools)
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