#1 Most Diverse Private Schools in Connecticut
Hudson Country Montessori School
Montessori school · Grades Pre-K–8
Largest group: 32% of students
Danbury, CT
A+Overall grade53 students1 students per teacher
2026 lists
Most Diverse Private Schools in Connecticut
Private schools in Connecticut with the most varied mix of students. Top 50 of 159 schools.
#2 Most Diverse Private Schools in Connecticut
Midstate Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Largest group: 33% of students
Meriden, CT
A+Overall grade195 students10 students per teacher
#3 Most Diverse Private Schools in Connecticut
Notre Dame Catholic High School
Diocesan school · Grades 9–12
Largest group: 34% of students
Fairfield, CT
A-Overall grade500 students17 students per teacher
#4 Most Diverse Private Schools in Connecticut
St. Theresa School
Diocesan school · Grades Pre-K–8
Largest group: 36% of students
Trumbull, CT
A+Overall grade177 students13 students per teacher
#5 Most Diverse Private Schools in Connecticut
St. Bernard School
Diocesan school · Grades 6–12
Largest group: 37% of students
Uncasville, CT
B+Overall grade388 students13 students per teacher
#6 Most Diverse Private Schools in Connecticut
The Ethel Walker School
Independent school · Grades 6–12
Largest group: 38% of students
Simsbury, CT
B+Overall gradeAll girls227 students8 students per teacher
#7 Most Diverse Private Schools in Connecticut
Putnam Science Academy
Independent school · Grades 8–12
Largest group: 38% of students
Putnam, CT
A+Overall grade130 students6 students per teacher
#8 Most Diverse Private Schools in Connecticut
Raymond Hill School
Special education school · Grades 1–12
Largest group: 38% of students
New Britain, CT
A+Overall grade87 students4 students per teacher
#9 Most Diverse Private Schools in Connecticut
Oak Hill School
Special education school · Grades K–12
Largest group: 39% of students
Hartford, CT
BOverall grade153 students11 students per teacher
#10 Most Diverse Private Schools in Connecticut
St. Ann Academy
Diocesan school · Grades K–8
Largest group: 40% of students
Bridgeport, CT
B+Overall grade179 students22 students per teacher
#11 Most Diverse Private Schools in Connecticut
Westover School
Independent school · Grades 9–12
Largest group: 40% of students
Middlebury, CT
A+Overall gradeAll girls142 students5 students per teacher
#12 Most Diverse Private Schools in Connecticut
Hudson Country Montessori School
Montessori school · Grades Pre-K–8
Largest group: 40% of students
Danbury, CT
A-Overall grade52 students8 students per teacher
#13 Most Diverse Private Schools in Connecticut
St. Lawrence School
Diocesan school · Grades Pre-K–8
Largest group: 41% of students
West Haven, CT
B+Overall grade172 students18 students per teacher
#14 Most Diverse Private Schools in Connecticut
Solterra Academy
Special education school · Grades 1–12
Largest group: 41% of students
New Britain, CT
BOverall grade143 students7 students per teacher
#15 Most Diverse Private Schools in Connecticut
Choate Rosemary Hall
Independent school · Grades 9–12
Largest group: 42% of students
Wallingford, CT
AOverall grade842 students7 students per teacher
#16 Most Diverse Private Schools in Connecticut
Waterside School
Independent school · Grades Pre-K–5
Largest group: 42% of students
Stamford, CT
A+Overall grade162 students4 students per teacher
#17 Most Diverse Private Schools in Connecticut
Kolbe Cathedral High School
Diocesan school · Grades 9–12
Largest group: 43% of students
Bridgeport, CT
BOverall grade329 students14 students per teacher
#18 Most Diverse Private Schools in Connecticut
St. James School
Parish school · Grades Pre-K–8
Largest group: 43% of students
Stratford, CT
A+Overall grade212 students12 students per teacher
#19 Most Diverse Private Schools in Connecticut
St. Thomas More School
Independent school · Grades 8–12
Largest group: 43% of students
Oakdale, CT
A+Overall grade143 students6 students per teacher
#20 Most Diverse Private Schools in Connecticut
Assumption Catholic School
Diocesan school · Grades Pre-K–8
Largest group: 43% of students
Fairfield, CT
A+Overall grade142 students12 students per teacher
#21 Most Diverse Private Schools in Connecticut
The Cheshire Academy
Independent school · Grades 9–12
Largest group: 44% of students
Cheshire, CT
A+Overall grade341 students6 students per teacher
#22 Most Diverse Private Schools in Connecticut
St. Thomas's Day School
Episcopal school · Grades K–6
Largest group: 44% of students
New Haven, CT
A+Overall grade119 students6 students per teacher
#23 Most Diverse Private Schools in Connecticut
Christian Heritage School
Christian school (nondenominational) · Grades K–12
Largest group: 45% of students
Trumbull, CT
AOverall grade407 students12 students per teacher
#24 Most Diverse Private Schools in Connecticut
Eagle Hill School
Special education school · Grades 1–9
Largest group: 45% of students
Greenwich, CT
AOverall grade254 students5 students per teacher
From official public records, updated October 2026.