Private School Review - Established 2003
Rectory School Top 19 · Largest Endowment (CT)
St. Thomas More School Top 24 · Lowest Acceptance Rate (CT)
Kingswood Oxford School Top 8 · Highest Avg. ACT Score (CT)

Connecticut Private Elementary Schools Belonging to National Association of Independent Schools (NAIS)

For the 2026-27 school year, there are 54 private elementary schools belonging to National Association of Independent Schools (NAIS) serving 16,912 students in Connecticut. You can also find more schools membership associations in Connecticut.
The top ranked private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut include King School, St. Luke's School, and Brunswick School.
The average tuition cost is $51,975, which is higher than the Connecticut private elementary school average tuition cost of $26,815.
11% of private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut are religiously affiliated (most commonly Catholic and Jewish).

Quick Facts (26-27)

  • # Private Schools: 54

Quick Facts (26-27)

  • # Private Schools: 54

Top Ranked Private Elementary Schools Belonging to National Association of Independent Schools (NAIS) in Connecticut (2026-27)

Hamden Hall Country Day School Photo
Hamden Hall Country Day School
Gr: NS-12 | 650 students
Avg. class size: 12 students
Sports: 22 | Extracurriculars: 45
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
(4)
View Profile
King School Photo
King School
Gr: PK-12 | 736 students
Avg. class size: 12 students
Sports: 19 | Extracurriculars: 42
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
View Profile
Kingswood Oxford School Photo
Kingswood Oxford School
Gr: 6-12 | 507 students
Avg. class size: 13 students
Sports: 18 | Extracurriculars: 30
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
(1)
View Profile
New Canaan Country School Photo
New Canaan Country School
Gr: NS-9 | 555 students
Avg. class size: 16 students
Sports: 13 | Extracurriculars: 16
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
(9)
View Profile
Rectory School Photo
Rectory School
Gr: K-9 | 247 students
Avg. class size: 12 students
Sports: 21 | Extracurriculars: 30
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
(10)
View Profile
Renbrook School Photo
Renbrook School
Gr: NS-8 | 373 students
Avg. class size: 14 students
Sports: 12 | Extracurriculars: 2
2865 Albany Avenue
West Hartford, CT 06117
(860) 236-1661
(20)
View Profile
Ridgefield Academy Photo
Ridgefield Academy
Gr: PK-8 | 528 students
Avg. class size: 10 students
Sports: 11 | Extracurriculars: 11
223 West Mountain Rd
Ridgefield, CT 06877
(203) 894-1800
(12)
View Profile
St. Luke's School Photo
St. Luke's School
Gr: 5-12 | 611 students
Avg. class size: 13 students
Sports: 14 | Extracurriculars: 10
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
View Profile
Watkinson School Photo
Watkinson School
Gr: 6-12 | 240 students
Avg. class size: 11 students
Sports: 9 | Extracurriculars: 18
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
(2)
View Profile
The Williams School Photo
The Williams School
Gr: 6-12 | 191 students
Avg. class size: 11 students
Sports: 7 | Extracurriculars: 11
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
(5)
View Profile
Fairfield Country Day School Photo
Fairfield Country Day School
Gr: K-9 | 201 students
Avg. class size: 6 students
Sports: 8
All-boys
2970 Bronson Road
Fairfield, CT 06824
(203) 259-2723
(2)
View Profile
Franklin Academy Photo
Franklin Academy
Gr: 8-12 | 105 students
Avg. class size: 8 students
Sports: 6 | Extracurriculars: 13
Special Education School
140 River Road
East Haddam, CT 06423
(860) 873-2700
(2)
View Profile
The Long Ridge School Photo
The Long Ridge School
Gr: NS-5 | 94 students
Avg. class size: 14 students
Extracurriculars: 10
478 Erskine Road
Stamford, CT 06903
(203) 322-7693
(7)
View Profile
St. Thomas More School Photo
St. Thomas More School
Gr: 8-12 | 192 students
Avg. class size: 11 students
Sports: 8 | Extracurriculars: 10
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
(2)
View Profile
St. Thomas's Day School Photo
St. Thomas's Day School
Gr: K-6 | 126 students
Avg. class size: 20 students
Sports: 1 | Extracurriculars: 5
Episcopal
830 Whitney Avenue
New Haven, CT 06511
(203) 776-2123
(6)
View Profile
Winston Preparatory School CT Photo
Winston Preparatory School CT
Gr: 3-12
Sports: 1 | Extracurriculars: 28
Special Education School
57 West Rocks Road
Norwalk, CT 06851
(203) 229-0465
View Profile
All Saints Catholic School Photo
All Saints Catholic School
Gr: PK-8 | 560 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 1
Catholic
139 W Rocks Rd
Norwalk, CT 06851
(203) 847-3881
View Profile
Map of Bi-cultural Hebrew Academy
Bi-cultural Hebrew Academy
Gr: PK-12 | 327 students
Sports: 3
Jewish
2186 High Ridge Rd
Stamford, CT 06903
(203) 329-2186
(3)
View Profile
Brunswick School Photo
Brunswick School
Gr: PK-12 | 1,046 students
Avg. class size: 11 students
Sports: 20 | Extracurriculars: 14
All-boys
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
View Profile
Chase Collegiate School Photo
Chase Collegiate School
Gr: PK-12 | 164 students
Avg. class size: 12 students
Sports: 11
565 Chase Parkway
Waterbury, CT 06708
(203) 236-9561
View Profile
The Children's Tree Montessori School Photo
The Children's Tree Montessori School
Gr: PK-6 | 102 students
Avg. class size: 17 students
Sports: 1 | Extracurriculars: 7
Montessori School
96 Essex Rd
Old Saybrook, CT 06475
(860) 388-3536
(4)
View Profile
Eagle Hill School Photo
Eagle Hill School
Gr: 1-8 | 265 students
Avg. class size: 6 students
Sports: 11 | Extracurriculars: 18
Special Education School
45 Glenville Road
Greenwich, CT 06831
(203) 622-9240
(5)
View Profile
Foote School Photo
Foote School
Gr: K-9 | 435 students
Avg. class size: 14 students
Sports: 14 | Extracurriculars: 17
50 Loomis Place
New Haven, CT 06511
(203) 777-3464
(3)
View Profile
Greens Farms Academy Photo
Greens Farms Academy
Gr: PK-12 | 713 students
Sports: 14
35 Beachside Avenue
Greens Farms, CT 06838
(203) 256-7501
View Profile
Map of Greenwich Academy
Greenwich Academy
Gr: PK-12 | 830 students
All-girls
200 N Maple Ave
Greenwich, CT 06830
(203) 625-8900
(2)
View Profile
Map of Greenwich Country Day School
Greenwich Country Day School
Gr: NS-12 | 1,251 students
401 Old Church Rd
Greenwich, CT 06830
(203) 863-5600
View Profile
Hopkins School Photo
Hopkins School
Gr: 7-12 | 717 students
Avg. class size: 12 students
Sports: 20 | Extracurriculars: 23
986 Forest Road
New Haven, CT 06515
(203) 397-1001
(6)
View Profile
Map of Horace Mann School John Dorr Nature Laboratory
Horace Mann School John Dorr Nature Laboratory
Gr: 2-12 | 1,330 students
220 Nettleton Hollow Rd
Washington, CT 06793
(860) 868-2230
View Profile
Indian Mountain School Photo
Indian Mountain School
Gr: PK-9 | 300 students
Avg. class size: 12 students
Sports: 19 | Extracurriculars: 33
211 Indian Mountain Road
Lakeville, CT 06039
(860) 435-0871
View Profile
The Oxford Academy Photo
The Oxford Academy
Gr: 8-12 | 48 students
Avg. class size: 1 student
Sports: 8 | Extracurriculars: 13
All-boys
1393 Boston Post Road
Westbrook, CT 06498
(860) 399-6247
(4)
View Profile
Rumsey Hall School Photo
Rumsey Hall School
Gr: PK-9 | 328 students
Avg. class size: 12 students
Sports: 16
201 Romford Rd
Washington Depot, CT 06794
(860) 868-0535
View Profile
Map of Unquowa School
Unquowa School
Gr: PK-8 | 174 students
Avg. class size: 12 students
Sports: 3 | Extracurriculars: 5
981 Stratfield Road
Fairfield, CT 06825
(203) 336-3801
View Profile
Washington Montessori School Photo
Washington Montessori School
Gr: PK-8 | 256 students
Avg. class size: 20 students
Sports: 7 | Extracurriculars: 6
Montessori School
240 Litchfield Tpke
New Preston Marble Dale, CT 06777
(860) 868-0551
(8)
View Profile
Waterside School Photo
Waterside School
Gr: PK-5 | 134 students
Avg. class size: 20 students
Sports: 4 | Extracurriculars: 9
770 Pacific St
Stamford, CT 06902
(203) 975-8579
View Profile
Whitby School Photo
Whitby School
Gr: NS-8 | 346 students
Avg. class size: 15 students
Sports: 6 | Extracurriculars: 25
969 Lake Avenue
Greenwich, CT 06831
(203) 302-3900
(16)
View Profile
Show 19 more private schools in Connecticut (out of 54 total schools)
Loading...

Frequently Asked Questions

What are the top ranked private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut?
The top ranked private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut include King School, St. Luke's School, and Brunswick School.
How many private elementary schools belonging to National Association of Independent Schools (NAIS) are located in Connecticut?
54 private elementary schools belonging to National Association of Independent Schools (NAIS) are located in Connecticut.
How much do private elementary schools belonging to National Association of Independent Schools (NAIS) cost in Connecticut?
The average tuition cost is $51,975, which is higher than the Connecticut private school average tuition cost of $26,815.
How diverse are private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut?
Connecticut private elementary schools belonging to National Association of Independent Schools (NAIS) are approximately 27% minority students, which is lower than the Connecticut private school average of 32%.
What percentage of private elementary schools belonging to National Association of Independent Schools (NAIS) are religiously affiliated in Connecticut?
11% of private elementary schools belonging to National Association of Independent Schools (NAIS) in Connecticut are religiously affiliated (most commonly Catholic and Jewish).
54
Private Schools
16,912
Students
$51,975
Avg. Tuition
27%
Students of Color
7:1
Student-Teacher Ratio

Recent Articles

When Your Child Is Excluded From Private School Events
When Your Child Is Excluded From Private School Events
Learn how to support your child when excluded from private school birthday parties and social events, recognize bullying, communicate with teachers, encourage friendships, and address repeated exclusion with confidence.
Private School Scholarship Renewal Requirements
Private School Scholarship Renewal Requirements
Learn what students must do to keep private school scholarships, including academic performance, attendance, conduct, extracurricular commitments, renewal deadlines, and how parents can protect tuition assistance throughout their education.
Private School Deposits: What If You Change Schools?
Private School Deposits: What If You Change Schools?
Learn what happens to your private school enrollment deposit when your child accepts another offer, including refund policies, contract obligations, withdrawal deadlines, and practical steps to minimize financial losses.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (CT):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

Connecticut Private Schools By Tuition Cost
Connecticut Private Schools By Tuition Cost
 Paying for Private School: 7 Options
Paying for Private School: 7 Options
Enrollment Trends 2026: Private School Admissions Outlook
Enrollment Trends 2026: Private School Admissions Outlook

More Articles

Archives
Getting into Private School
Pre-school
Opinion
COVID-19