#1 Most Diverse Private Schools in New Haven, CT
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
2026 lists
Most Diverse Private Schools in New Haven, CT
Private schools in New Haven, CT with the most varied mix of students. Top 6 of 6 schools.
#2 Most Diverse Private Schools in New Haven, CT
St. Martin De Porres Academy
Independent Catholic school · Grades 5–8
Largest group: 57% of students
New Haven, CT
A+Overall grade72 students9 students per teacher
#3 Most Diverse Private Schools in New Haven, CT
The Foote School
Independent school · Grades K–9
Largest group: 60% of students
New Haven, CT
A+Overall grade426 students4 students per teacher
#4 Most Diverse Private Schools in New Haven, CT
All Saints Catholic Academy
Independent Catholic school · Grades K–8
Largest group: 71% of students
New Haven, CT
A-Overall grade150 students13 students per teacher
#5 Most Diverse Private Schools in New Haven, CT
Cold Spring School
Montessori school · Grades Pre-K–6
Largest group: 100% of students
New Haven, CT
BOverall grade136 students6 students per teacher
#6 Most Diverse Private Schools in New Haven, CT
The Cheder New Haven
Jewish day school · Grades K–8
Largest group: 100% of students
New Haven, CT
B+Overall grade60 students4 students per teacher
From official public records, updated October 2026.