Suffield Academy Photo - Bell Hill

Top 20 Best Connecticut Private Schools Belonging to No Membership Association (2025)

For the 2025 school year, there are 324 private schools belonging to No Membership Association in Connecticut. You can also find more schools membership associations in Connecticut.
The top ranked private schools belonging to No Membership Association in Connecticut include Hopkins School, Brunswick School, and Hamden Hall Country Day School.

Top Ranked Private Schools Belonging to No Membership Association in Connecticut (2025)

School
Location
Grades
Students
Easton Country Day School
Easton Country Day School Photo - Easton Country Day
(13)
660 Morehouse Road
Easton, CT 06612
(203) 268-5530
Grades: PK-12
| 246 students
Hamden Hall Country Day School
Hamden Hall Country Day School Photo - Between 15 and 20 percent of our graduating student-athletes compete at the collegiate Division I, II and III levels.
(Christian)
(4)
1108 Whitney Ave
Hamden, CT 06517
(203) 752-2610
Grades: NS-12
| 650 students
Hopkins School
Hopkins School Photo - Hopkins is a grade 7-12 grade gender-inclusive learning community located on 108 acres overlooking New Haven.
(6)
986 Forest Road
New Haven, CT 06515
(203) 397-1001
Grades: 7-12
| 715 students
Immaculate High School
Immaculate High School Photo - Students studying / socializing together in our Learning Commons
(Catholic)
(11)
73 Southern Blvd
Danbury, CT 06810
(203) 744-1510
Grades: 9-12
| 384 students
King School
King School Photo - Grade 1 students participating in STEM activities.
1450 Newfield Ave
Stamford, CT 06905
(203) 322-3496
Grades: PK-12
| 718 students
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)
170 Kingswood Road
West Hartford, CT 06119
(860) 727-5000
Grades: 6-12
| 504 students
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)
635 Frogtown Road
New Canaan, CT 06840
(203) 972-0771
Grades: NS-9
| 555 students
Rectory School
Rectory School Photo - Rectory School, nestled on 138 acres in Pomfret, Connecticut, is a distinguished K-9 private institution renowned as a "Junior Boarding School." Offering both 5-day and 7-day boarding options for students in grades 5-9, Rectory ensures a comprehensive educational experience.
528 Pomfret Street
Pomfret, CT 06258
(860) 928-1328
Grades: K-9
| n/a students
Renbrook School
Renbrook School Photo - Renbrook School provides students in preschool through grade eight with a robust, purposeful, and developmentally appropriate educational experience of the highest caliber. Small classes in an intimate community of supportive and caring teachers allow for an individualized approach to learning enabling each child to learn to take appropriate risks and identify and cultivate his or her own strengths.
(17)
2865 Albany Avenue
West Hartford, CT 06117
(860) 236-1661
Grades: NS-8
| 370 students
Ridgefield Academy
Ridgefield Academy Photo - At Ridgefield Academy, imaginations flourish and academic excellence takes root. Here, the dreamers of today become the thinkers of tomorrow.
(11)
223 West Mountain Rd
Ridgefield, CT 06877
(203) 894-1800
Grades: NS-8
| 448 students
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)
2320 Huntington Tpke
Trumbull, CT 06611
(203) 378-9378
Grades: 9-12
| 705 students
St. Luke's School
St. Luke's School Photo - An aerial view of the St. Luke's 40-acre campus in New Canaan, CT.
377 North Wilton Road
New Canaan, CT 06840
(203) 801-4833
Grades: 5-12
| 586 students
Watkinson School
Watkinson School Photo - 225 students from 43 towns, reflecting a wide range of academic, personal and socioeconomic backgrounds. Faculty includes 43 teachers, 26 of whom hold master's degrees or above. Student-teacher ratio 6:1. Average class size 14
(2)
180 Bloomfield Avenue
Hartford, CT 06105
(860) 236-5618
Grades: 6-12
| 240 students
Westover School
Westover School Photo
All-girls
(2)
1237 Whittemore Road
Middlebury, CT 06762
(203) 577-4521
Grades: 9-12
| 155 students
The Williams School
The Williams School Photo
(5)
182 Mohegan Avenue
New London, CT 06320
(860) 443-5333
Grades: 6-12
| 191 students
285 Lafayette Street
Bridgeport, CT 06604
(203) 334-3434
Grades: 9-12
| 62 students
Fusion Academy Fairfield
Fusion Academy Fairfield Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
777 Commerce Drive, Suite 100
Fairfield, CT 06824
(877) 673-8893
Grades: 6-12
| 14 students
Fusion Academy Greenwich
Fusion Academy Greenwich Photo - Each Fusion campus has a state-of-the-art music studio with professional-grade tools. Students can explore instruments, vocals, songwriting, DJ performing arts, and more.
Alternative School
66 Gatehouse Road
Stamford, CT 06902
(877) 673-8893
Grades: 6-12
| n/a students
The Long Ridge School
The Long Ridge School Photo - Micheal G. Harris Arts and Athletics Center
(7)
478 Erskine Road
Stamford, CT 06903
(203) 322-7693
Grades: NS-5
| 94 students
St. Thomas More School
St. Thomas More School Photo
(2)
45 Cottage Road
Oakdale, CT 06370
(860) 823-3861
Grades: 8-12
| 162 students
St. Thomas's Day School
St. Thomas's Day School Photo - Outdoor education is an important part of our Science curriculum!
(Episcopal)
(6)
830 Whitney Avenue
New Haven, CT 06511
(203) 776-2123
Grades: K-6
| 121 students
South Kent School
South Kent School Photo
All-boys (Episcopal)
(2)
40 Bulls Bridge Road
South Kent, CT 06785
(860) 927-3539
Grades: 9-12
| 170 students
Academy Of The Holy Family
Academy Of The Holy Family Photo - International Day
All-girls (Catholic)
54 W Main St. Box 691
Baltic, CT 06330
(860) 822-9272
Grades: 9-12
| 30 students
Adelbrook
Special Education School
(1)
60 Hicksville Rd
Cromwell, CT 06416
(860) 635-5801
Grades: 5-12
| 79 students
All Saints Catholic School
(Catholic)
139 W Rocks Rd
Norwalk, CT 06851
(203) 847-3881
Grades: PK-8
| 560 students
Assumption Catholic School
Assumption Catholic School Photo
(Catholic)
(1)
605 Stratfield Rd
Fairfield, CT 06825
(203) 334-6271
Grades: PK-8
| 200 students
Assumption School
(Catholic)
51 N Cliff St
Ansonia, CT 06401
(203) 734-0855
Grades: PK-8
| 191 students
ATLAS - Academic Theatre Lab on Audubon
ATLAS - Academic Theatre Lab on Audubon Photo
Special Program Emphasis
100 Audubon St.
New Haven, CT 06510
(203) 624-5189
Grades: 7-9
| 20 students
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
500 Old Farms Rd
Avon, CT 06001
(860) 404-4100
Grades: 9-12
| 415 students
Benhaven Academy
Special Education School
50 N Plains Hwy
Wallingford, CT 06492
(203) 774-0008
Grades: 5-12
| 32 students
Bi-cultural Hebrew Academy
(Jewish)
(3)
2186 High Ridge Rd
Stamford, CT 06903
(203) 329-2186
Grades: PK-12
| 327 students
Brunswick School
Brunswick School Photo - Middle School Campus on King Street
All-boys
100 Maher Avenue
Greenwich, CT 06830
(203) 625-5800
Grades: PK-12
| 1,046 students
The Burlington Academy Of Learning
The Burlington Academy Of Learning Photo - The Burlington Academy of Learning
Daycare / Preschool
10 Covey Rd.
Burlington, CT 06013
(860) 675-3598
Grades: PK-K
| 58 students
Canterbury School
Canterbury School Photo - At Canterbury School, a balanced educational experience integrates academic achievement, personal growth, and community engagement. As a welcoming interfaith community, Canterbury fosters a sense of belonging, providing passionate educators and transformative opportunities that guide you toward your fullest potential. This is what makes Canterbury School more than just a place to learn-it's a place to become your best self.
(Catholic)
101 Aspetuck Avenue
New Milford, CT 06776
(860) 210-3800
Grades: 9-12
| 332 students
The Catholic Academy Of Stamford
(Catholic)
1186 Newfield Ave
Stamford, CT 06905
(203) 322-6505
Grades: PK-8
| 253 students
Show 100 more private schools in Connecticut (out of 324 total schools)
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