Largest Connecticut Private Schools
- The average private school in Connecticut has approximately 167 students (2020).
- The private schools with the largest student enrollments are listed below (where sufficient data available).
- The largest private school in Connecticut is Horace Mann School John Dorr Nature Laboratory with 1,330 students.
Largest Connecticut Private Schools (2020)
- School # Students Grades Location
- Rank: #11. Students: 1,330
Grades: 2-12220 Nettleton Hollow Rd
Washington Depot, CT 06793
(860)868-2230 - Rank: #22. Students: 1,006
Grades: PK-12100 Maher Avenue
Greenwich, CT 06830
(203)625-5800 - Rank: #33. Students: 907
Grades: PK-9401 Old Church Rd.
Greenwich, CT 06830 -
- Rank: #44.Fairfield College PreparatoryAll-boys (Roman Catholic)Students: 900
Grades: 9-121073 N Benson Rd
Fairfield, CT 06824
(203)254-4200 - Rank: #55. Students: 864
Grades: PK-9401 Old Church Rd
Greenwich, CT 06830
(203)863-5600 - Rank: #66. Students: 846
Grades: 9-12333 Christian Street
Wallingford, CT 06492
(203)697-2239 - Rank: #77. Students: 805
Grades: PK-12200 N Maple Ave
Greenwich, CT 06830
(203)625-8900 - Rank: #88. Students: 794
Grades: 9-122320 Huntington Tpke
Trumbull, CT 06611
(203)378-9378 - Rank: #99. Students: 731
Grades: NS-121177 King Street
Greenwich, CT 06831
(203)532-3534 - Rank: #1010. Students: 714
Grades: 7-12986 Forest Road
New Haven, CT 06515
(203)397-1001 - Rank: #1111. Students: 713
Grades: PK-1235 Beachside Avenue
Greens Farms, CT 06838
(203)256-7501 - Rank: #1212. Students: 698
Grades: 9-12587 Oronoke Rd
Waterbury, CT 06708
(203)757-9248 - Rank: #1414.Xavier High SchoolAll-boys (Roman Catholic)Students: 662
Grades: 9-12181 Randolph Rd
Middletown, CT 06457
(860)346-7735 - Rank: #1515. Students: 654
Grades: 9-12115 New State Rd
Manchester, CT 06042
(860)649-5336 - Rank: #1616. Students: 650
Grades: 9-124 Batchelder Road
Windsor, CT 06095
(860)687-6400 - Rank: #17-1817.-18. Students: 600
Grades: 9-1211 Interlaken Road
Lakeville, CT 06039
(860)435-3102 - Rank: #17-1817.-18. Students: 600
Grades: NS-9635 Frogtown Road
New Canaan, CT 06840
(203)972-0771 - Rank: #1919. Students: 587
Grades: 9-12110 Woodbury Road
Watertown, CT 06795
(860)945-7777 - Rank: #2020.Notre Dame High SchoolAll-boys (Roman Catholic)Students: 586
Grades: 9-1224 Ricardo St
West Haven, CT 06516
(203)933-1673 - Rank: #2121. Students: 581
Grades: 5-12377 North Wilton Road
New Canaan, CT 06840
(203)801-4833 - Rank: #2222. Students: 574
Grades: NS-121108 Whitney Ave
Hamden, CT 06517
(203)752-2610 - Rank: #23-2423.-24. Students: 572
Grades: 9-121 Macedonia Road
Kent, CT 06757
(860)927-6111 - Rank: #23-2423.-24.Mercy High SchoolAll-girls (Roman Catholic)Students: 572
Grades: 9-121740 Randolph Road
Middletown, CT 06457
(860)346-6659 - Rank: #2525.All Saints Catholic School(Roman Catholic)Students: 560
Grades: PK-8139 W Rocks Rd
Norwalk, CT 06851
(203)847-3881 - Rank: #2626. Students: 514
Grades: 9-1229 Wampanoag Drive
West Hartford, CT 06117
(860)236-4221 - Rank: #2727. Students: 512
Grades: 6-12170 Kingswood Road
West Hartford, CT 06119
(860)727-5000 - Rank: #2828. Students: 504
Grades: 9-12265 Benham St
Hamden, CT 06514
(203)288-2309 - Rank: #2929.Notre Dame Catholic High School(Roman Catholic)Students: 495
Grades: 9-12220 Jefferson St
Fairfield, CT 06825
(203)372-6521 - Rank: #3030. Students: 485
Grades: 9-1273 Southern Blvd
Danbury, CT 06810
(203)744-1510 - Rank: #3131. Students: 484
Grades: K-950 Loomis Place
New Haven, CT 06511
(203)777-3464 - Rank: #3232. Students: 469
Grades: 9-12200 High St
Milford, CT 06460
(203)877-2786 - Rank: #3333. Students: 461
Grades: PK-8948 Newfield Avenue
Stamford, CT 06905
(203)322-7383 - Rank: #3434. Students: 450
Grades: K-12575 White Plains Rd
Trumbull, CT 06611
(203)261-6230 - Rank: #3535. Students: 434
Grades: 9-121001 Stafford Ave
Bristol, CT 06010
(860)584-0911
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