Largest Connecticut Private Schools

All Schools
(422)
All Schools
(422)
 
High Schools
(176)
High Schools
(176)
 
Elementary Schools
(280)
Elementary Schools
(280)
 
Preschools
(235)
Preschools
(235)
 
  • The average private school in Connecticut has approximately 162 students (2020).
  • 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 (where sufficient data available).

Largest Connecticut Private Schools (2020)

  • School # Students Grades Location
  • Rank: #11. Students: 1,330
    Grades: 2-12220 Nettleton Hollow Rd
    Washington, CT 06793
    (860)868-2230

  • Rank: #22.
    Greenwich Country Day School
    Special Education School
    Students: 1,251
    Grades: NS-12401 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-12100 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: 9-12333 Christian Street
    Wallingford, CT 06492
    (203)697-2338

  • Rank: #55.
    Fairfield College Preparatory
    All-boys (Roman Catholic)
    Students: 826
    Grades: 9-121073 N Benson Rd
    Fairfield, CT 06824
    (203)254-4200

  • Rank: #66.
    Greenwich Academy
    All-girls
    Students: 811
    Grades: PK-12200 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)
    Students: 794
    Grades: 9-122320 Huntington Tpke
    Trumbull, CT 06611
    (203)378-9378

  • Rank: #88.
    Sacred Heart Greenwich
    Sacred Heart Greenwich Photo
    All-girls (Roman Catholic)
    Students: 731
    Grades: NS-121177 King Street
    Greenwich, CT 06831
    (203)532-3534

  • Rank: #99.
    Hopkins School
    Hopkins School Photo
    Students: 714
    Grades: 7-12986 Forest Road
    New Haven, CT 06515
    (203)397-1001

  • Rank: #1010.
    Greens Farms Academy
    Greens Farms Academy Photo
    Students: 713
    Grades: PK-1235 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-121450 Newfield Ave
    Stamford, CT 06905
    (203)322-3496

  • Rank: #1212.
    Xavier High School
    All-boys (African Methodist Episcopal)
    Students: 662
    Grades: 9-12181 Randolph Rd
    Middletown, CT 06457
    (860)346-7735

  • Rank: #1313.
    East Catholic High School
    East Catholic High School Photo
    (Roman Catholic)
    Students: 654
    Grades: 9-12115 New State Rd
    Manchester, CT 06042
    (860)649-5336

  • Rank: #1414. Students: 650
    Grades: 9-124 Batchelder Road
    Windsor, CT 06095
    (860)687-6400

  • Rank: #1515.
    Holy Trinity Catholic Middle School
    Holy Trinity Catholic Middle School Photo
    (Roman Catholic)
    Students: 648
    Grades: 6-8948 Newfield Avenue
    Stamford, CT 06905
    (704)527-7822

  • Rank: #16-1716.- 17.
    The Hotchkiss School
    The Hotchkiss School Photo - Varsity Sailing Blue
    Students: 600
    Grades: 9-1211 Interlaken Road
    Lakeville, CT 06039
    (860)435-3102

  • Rank: #16-1716.- 17. Students: 600
    Grades: NS-9635 Frogtown Road
    New Canaan, CT 06840
    (203)972-0771

  • Rank: #1818.
    The Taft School
    The Taft School Photo - Taft's 226-acre campus is in New England's beautiful Litchfield County, Connecticut.
    Students: 587
    Grades: 9-12110 Woodbury Road
    Watertown, CT 06795
    (860)945-7777

  • Rank: #1919.
    St. Luke's School
    St. Luke's School Photo
    Students: 581
    Grades: 5-12377 North Wilton Road
    New Canaan, CT 06840
    (203)801-4833

  • Rank: #20-2120.- 21. Students: 574
    Grades: NS-121108 Whitney Ave
    Hamden, CT 06517
    (203)752-2610

  • Rank: #20-2120.- 21.
    Notre Dame High School
    All-boys (Roman Catholic)
    Students: 574
    Grades: 9-1224 Ricardo St
    West Haven, CT 06516
    (203)933-1673

  • Rank: #2222.
    Kent School
    Kent School Photo
    (Episcopal)
    Students: 572
    Grades: 9-121 Macedonia Road
    Kent, CT 06757
    (860)927-6111

  • Rank: #2323.
    All Saints Catholic School
    (Roman Catholic)
    Students: 560
    Grades: PK-8139 W Rocks Rd
    Norwalk, CT 06851
    (203)847-3881

  • Rank: #2424.
    Notre Dame Catholic High School
    (Roman Catholic)
    Students: 523
    Grades: 9-12220 Jefferson St
    Fairfield, CT 06825
    (203)372-6521

  • Rank: #2525.
    Northwest Catholic High School
    Northwest Catholic High School Photo
    (Roman Catholic)
    Students: 514
    Grades: 9-1229 Wampanoag Drive
    West Hartford, CT 06117
    (860)236-4221

  • Rank: #2626. Students: 512
    Grades: 6-12170 Kingswood Road
    West Hartford, CT 06119
    (860)727-5000

  • Rank: #2727.
    Mercy High School
    All-girls (Roman Catholic)
    Students: 498
    Grades: 9-121740 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: 9-12265 Benham St
    Hamden, CT 06514
    (203)288-2309

  • Rank: #2929.
    Immaculate High School
    Immaculate High School Photo
    (Roman Catholic)
    Students: 485
    Grades: 9-1273 Southern Blvd
    Danbury, CT 06810
    (203)744-1510

  • Rank: #3030.
    Foote School
    Foote School Photo
    Students: 484
    Grades: K-950 Loomis Place
    New Haven, CT 06511
    (203)777-3464

  • Rank: #3131.
    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
    Students: 480
    Grades: PK-8969 Lake Avenue
    Greenwich, CT 06831
    (203)302-3946

  • Rank: #3232.
    Lauralton Hall
    Lauralton Hall Photo
    All-girls (Roman Catholic)
    Students: 469
    Grades: 9-12200 High St
    Milford, CT 06460
    (203)877-2786

  • Rank: #3333.
    Holy Cross High School
    Holy Cross High School Photo - Be A Scholar, Be A Leader, Be Holy Cross
    (Roman Catholic)
    Students: 460
    Grades: 9-12587 Oronoke Rd
    Waterbury, CT 06708
    (203)757-9248

  • Rank: #3434.
    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)
    Students: 450
    Grades: K-12575 White Plains Rd
    Trumbull, CT 06611
    (203)261-6230

  • Rank: #3535.
    St. Paul Catholic High School
    St. Paul Catholic High School Photo - Fall 2019 Performing Arts Production
    (Roman Catholic)
    Students: 434
    Grades: 9-121001 Stafford Ave
    Bristol, CT 06010
    (860)584-0911

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