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
Rank: #22.
Students: 1,251
Grades: NS-12
401 Old Church Rd
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.
All-boys
Students: 1,006
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Rank: #44.
Choate Rosemary Hall
Choate Rosemary Hall Photo - Choate has adopted a one-to-one iPad program. We have taken the iPad, a transformative device in our students' personal lives and made it a powerful ally in our academic work and in the classroom.
Students: 850
Grades: 9-12
333 Christian Street
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
Rank: #66.
Greenwich Academy
All-girls
(2)
Students: 811
Grades: PK-12
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8915
Rank: #77.
St. Joseph High School
St. Joseph High School Photo - St Joseph High School, Trumbull CT
(Roman Catholic)
(3)
Students: 794
Grades: 9-12
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Rank: #88.
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Roman Catholic)
(7)
Students: 731
Grades: NS-12
1177 King Street
Greenwich, CT 06831
(203) 532-3534
Rank: #99.
Hopkins School
Hopkins School Photo
(5)
Students: 714
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
Rank: #1010.
Greens Farms Academy
Greens Farms Academy Photo
Students: 713
Grades: PK-12
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Rank: #1111.
King School
King School Photo - Grade 1 students participating in STEM activities.
Students: 695
Grades: PK-12
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Rank: #1212.
Xavier High School
All-boys (African Methodist Episcopal)
(3)
Students: 662
Grades: 9-12
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Rank: #1313.
Students: 650
Grades: 9-12
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Rank: #1414.
Holy Trinity Catholic Middle School
Holy Trinity Catholic Middle School Photo
(Roman Catholic)
Students: 648
Grades: 6-8
948 Newfield Avenue
Stamford, CT 06905
(704) 527-7822
Rank: #1515.
The Hotchkiss School
The Hotchkiss School Photo - Varsity Sailing Blue
Students: 612
Grades: 9-12
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Rank: #1616.
New Canaan Country School
New Canaan Country School Photo - Academics, arts, music and athletics are woven into our students' day to pique their curiosity and instill a joy of learning.
(8)
Students: 600
Grades: NS-9
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
Rank: #1717.
Students: 597
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Rank: #1818.
The Taft School
The Taft School Photo - Taft's 226-acre campus is in New England's beautiful Litchfield County, Connecticut.
(2)
Students: 587
Grades: 9-12
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Rank: #1919.
St. Luke's School
St. Luke's School Photo
Students: 581
Grades: 5-12
377 North Wilton Road
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
Rank: #2121.
Kent School
Kent School Photo
(Episcopal)
Students: 572
Grades: 9-12
1 Macedonia Road
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
Rank: #2323.
East Catholic High School
East Catholic High School Photo
(Roman Catholic)
Students: 555
Grades: 9-12
115 New State Rd
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
Rank: #2525.
Students: 518
Grades: 6-12
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
Rank: #2626.
Northwest Catholic High School
Northwest Catholic High School Photo
(Roman Catholic)
(3)
Students: 514
Grades: 9-12
29 Wampanoag Drive
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
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.
All-girls (Roman Catholic)
Students: 488
Grades: 9-12
265 Benham St
Hamden, CT 06514
(203) 288-2309
Rank: #2929.
Foote School
Foote School Photo
(3)
Students: 484
Grades: K-9
50 Loomis Place
New Haven, CT 06511
(203) 777-3464
Rank: #3030.
Whitby School
Whitby School Photo - After raising caterpillars to become butterflies, our youngest Stepping Stones students (18 months - 3 years) set them free in the garden.
Montessori School
(11)
Students: 480
Grades: NS-8
969 Lake Avenue
Greenwich, CT 06831
(203) 302-3946
Rank: #3131.
Lauralton Hall
Lauralton Hall Photo
All-girls (Roman Catholic)
(3)
Students: 469
Grades: 9-12
200 High St
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
(Roman Catholic)
Students: 460
Grades: 9-12
587 Oronoke Rd
Waterbury, CT 06708
(203) 757-9248
Rank: #3333.
Christian Heritage School
Christian Heritage School Photo - CHS Kindergarten is reputed to have one of the highest quality programs in all of Fairfield County. Small classes, with a supportive and engaging environment are what gives young children their educational advantage.
(Christian)
(18)
Students: 450
Grades: K-12
575 White Plains Rd
Trumbull, CT 06611
(203) 261-6230
Rank: #3434.
Ridgefield Academy
Ridgefield Academy Photo - At RA, imaginations flourish and academic excellence takes root. Here, the dreamers of today become the thinkers of tomorrow.
Students: 448
Grades: NS-8
223 West Mountain Rd
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
Show 100 more private schools in CT (out of 404 total schools)
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