Largest Connecticut Private Schools

The average private school in Connecticut has 162 students (2024).
The largest private school in Connecticut is Horace Mann School John Dorr Nature Laboratory with 1,330 students.
School Size Range: 410 1,330 Avg. School Size: 636

Largest Connecticut Private Schools (2024)

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 - Middle School Campus on King Street
All-boys
Students: 1,044
Grades: PK-12
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Rank: #44.
Choate Rosemary Hall
Choate Rosemary Hall Photo - A community like no other, Choate is a place where you never have to do it alone. Advisers, peers, and the entire community are bonded by mutual respect, a passion for learning, and a spirit of supporting and challenging one another:
Students: 865
Grades: 9-12
333 Christian Street
Wallingford, CT 06492
(203) 697-2000
Rank: #55.
Greenwich Academy
All-girls
(2)
Students: 830
Grades: PK-12
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
Rank: #66.
Fairfield College Preparatory
All-boys
(1)
Students: 770
Grades: 9-12
1073 N Benson Rd
Fairfield, CT 06824
(203) 254-4200
Rank: #77.
St. Joseph High School
St. Joseph High School Photo - At St. Joseph High School, students SEEK out their talents, STRIVE for greatness, SERVE the common good, and THRIVE with confidence.
(Catholic)
(4)
Students: 740
Grades: 9-12
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Rank: #88.
Hopkins School
Hopkins School Photo - Hopkins is a grade 7-12 grade gender-inclusive learning community located on 108 acres overlooking New Haven.
(6)
Students: 715
Grades: 7-12
986 Forest Road
New Haven, CT 06515
(203) 397-1001
Rank: #99.
Greens Farms Academy
Greens Farms Academy Photo
Students: 713
Grades: PK-12
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
Rank: #1010.
King School
King School Photo - Grade 1 students participating in STEM activities.
Students: 707
Grades: PK-12
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Rank: #1111.
Students: 705
Grades: 9-12
4 Batchelder Road
Windsor, CT 06095
(860) 687-6000
Rank: #1212.
Sacred Heart Greenwich
Sacred Heart Greenwich Photo
All-girls (Catholic)
(7)
Students: 680
Grades: PK-12
1177 King Street
Greenwich, CT 06831
(609) 261-2273
Rank: #1313.
Holy Trinity Catholic Middle School
Holy Trinity Catholic Middle School Photo
(Catholic)
(1)
Students: 645
Grades: 6-8
948 Newfield Avenue
Stamford, CT 06905
(704) 527-7822
Rank: #1414.
Students: 624
Grades: NS-12
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Rank: #1515.
The Hotchkiss School
The Hotchkiss School Photo - Varsity Sailing Blue
Students: 623
Grades: 9-12
11 Interlaken Road
Lakeville, CT 06039
(860) 435-3102
Rank: #1616.
St. Luke's School
St. Luke's School Photo - An aerial view of the St. Luke's 40-acre campus in New Canaan, CT.
Students: 603
Grades: 5-12
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
Rank: #1717.
Xavier High School
All-boys (Catholic)
(3)
Students: 600
Grades: 9-12
181 Randolph Rd
Middletown, CT 06457
(860) 346-7735
Rank: #1818.
Kent School
Kent School Photo
(Episcopal)
Students: 588
Grades: 9-12
1 Macedonia Road
Kent, CT 06757
(860) 927-6035
Rank: #1919.
The Taft School
The Taft School Photo - Taft's 226-acre campus is in New England's beautiful Litchfield County, Connecticut.
(2)
Students: 580
Grades: 9-12
110 Woodbury Road
Watertown, CT 06795
(860) 945-7777
Rank: #2020.
All Saints Catholic School
(Catholic)
Students: 560
Grades: PK-8
139 W Rocks Rd
Norwalk, CT 06851
(203) 847-3881
Rank: #2121.
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.
(9)
Students: 555
Grades: NS-9
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
Rank: #2222.
Notre Dame High School
All-boys (Catholic)
(1)
Students: 549
Grades: 9-12
24 Ricardo St
West Haven, CT 06516
(203) 937-3217
Rank: #2323.
Yeshiva K'tana Of Waterbury
(Jewish)
Students: 540
Grades: PK-8
47 Buckingham St
Waterbury, CT 06710
(203) 558-4475
Rank: #2424.
Notre Dame Catholic High School
Notre Dame Catholic High School Photo
(Catholic)
Students: 506
Grades: 9-12
220 Jefferson St
Fairfield, CT 06825
(203) 372-6521
Rank: #2525.
Kingswood Oxford School
Kingswood Oxford School Photo - Our mission and core values are the grounding force within our school, its very soul. Our mission is why we are here. Our values are what we do. Ask any KO student about the core value that resonates with them the most, and you`ll get thoughtful and meaningful answers. 'Care beyond self' always tops the list.
(1)
Students: 504
Grades: 6-12
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
Rank: #2626.
Northwest Catholic High School
Northwest Catholic High School Photo
(Catholic)
(3)
Students: 490
Grades: 9-12
29 Wampanoag Drive
West Hartford, CT 06117
(602) 364-2211
Rank: #2727.
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 (Catholic)
Students: 488
Grades: 9-12
265 Benham St
Hamden, CT 06514
(203) 288-2309
Rank: #2828.
East Catholic High School
East Catholic High School Photo
(Catholic)
Students: 479
Grades: 9-12
115 New State Rd
Manchester, CT 06042
(860) 649-5336
Rank: #2929.
Ridgefield Academy
Ridgefield Academy Photo - At RA, imaginations flourish and academic excellence takes root. Here, the dreamers of today become the thinkers of tomorrow.
(6)
Students: 448
Grades: NS-8
223 West Mountain Rd
Ridgefield, CT 06877
(203) 894-1800
Rank: #30 - 3130. - 31.
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)
(21)
Students: 435
Grades: K-12
575 White Plains Rd
Trumbull, CT 06611
(203) 209-6321
Rank: #30 - 3130. - 31.
Foote School
Foote School Photo
(3)
Students: 435
Grades: K-9
50 Loomis Place
New Haven, CT 06511
(203) 777-3464
Rank: #3232.
Greenwich Catholic School
Greenwich Catholic School Photo - Rooted in Faith. Surrounded by Community. Committed to Excellence.
(Catholic)
(2)
Students: 419
Grades: NS-8
471 North Street
Greenwich, CT 06830
(203) 869-4000
Rank: #3333.
Avon Old Farms School
Avon Old Farms School Photo - Avon Old Farms School is expert in educating boys. Since we are a single sex school, we use specialized learning methodologies focused on the areas of development that are critical to a young male in their adolescent years. This helps achieve greater success not only in the following four years of college, but the next forty years of their lives.
All-boys
Students: 415
Grades: 9-12
500 Old Farms Rd
Avon, CT 06001
(860) 404-4100
Rank: #3434.
Holy Cross High School
Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross
(Catholic)
Students: 413
Grades: 9-12
587 Oronoke Rd
Waterbury, CT 06708
(203) 757-9248
Rank: #35 - 3635. - 36.
St. Bernard School
St. Bernard School Photo - Saint Bernard School XBSS leaders.
(Catholic)
Students: 410
Grades: 6-12
1593 Norwich New London Tpke
Uncasville, CT 06382
(860) 848-1271
Show 100 more private schools in CT (out of 391 total schools)
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Frequently Asked Questions

What is the Connecticut average Private Schools student size?
The Connecticut average Private Schools student size is 162 for 2024.
What are the Private Schools with the largest student size in Connecticut?
The best top ranked Private Schools in Connecticut include Horace Mann School John Dorr Nature Laboratory, Greenwich Country Day School and Brunswick School.
What is private high school and private elementary school with the largest student size in Connecticut?
The private high school with the largest student size in Connecticut is Horace Mann School John Dorr Nature Laboratory, with a value of 1330. The private elementary school with the largest student size is Horace Mann School John Dorr Nature Laboratory, with a value of 1330.

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