#1 Private Schools with the Smallest Classes in New Haven, CT
The Foote School
Independent school · Grades K–9
4.2 students per teacher
New Haven, CT
A+Overall grade426 students4 students per teacher
2026 lists
Private Schools with the Smallest Classes in New Haven, CT
Private schools in New Haven, CT with the fewest students per teacher (not counting preschools and special education schools). Top 6 of 6 schools.
#2 Private Schools with the Smallest Classes in New Haven, CT
The Cheder New Haven
Jewish day school · Grades K–8
4.3 students per teacher
New Haven, CT
B+Overall grade60 students4 students per teacher
#3 Private Schools with the Smallest Classes in New Haven, CT
St. Thomas's Day School
Episcopal school · Grades K–6
5.5 students per teacher
New Haven, CT
A+Overall grade119 students6 students per teacher
#4 Private Schools with the Smallest Classes in New Haven, CT
Cold Spring School
Montessori school · Grades Pre-K–6
6.1 students per teacher
New Haven, CT
BOverall grade136 students6 students per teacher
#5 Private Schools with the Smallest Classes in New Haven, CT
St. Martin De Porres Academy
Independent Catholic school · Grades 5–8
9.2 students per teacher
New Haven, CT
A+Overall grade72 students9 students per teacher
#6 Private Schools with the Smallest Classes in New Haven, CT
All Saints Catholic Academy
Independent Catholic school · Grades K–8
12.6 students per teacher
New Haven, CT
A-Overall grade150 students13 students per teacher
From official public records, updated October 2026.