#1 Private Schools with the Smallest Classes in Cambridge, MA
St. Paul's Choir School
Independent Catholic school · Grades 3–8
4 students per teacher
Cambridge, MA
A+Overall gradeAll boys40 students4 students per teacher
2026 lists
Private Schools with the Smallest Classes in Cambridge, MA
Private schools in Cambridge, MA 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 Cambridge, MA
Shady Hill School
Independent school · Grades Pre-K–8
6.6 students per teacher
Cambridge, MA
A-Overall grade496 students7 students per teacher
#3 Private Schools with the Smallest Classes in Cambridge, MA
Cambridge High School M-Gymnasium LLD
Church of God school · Grades 1–12
6.6 students per teacher
Cambridge, MA
BOverall grade105 students7 students per teacher
#4 Private Schools with the Smallest Classes in Cambridge, MA
Cambridge Friends School
Quaker (Friends) school · Grades Pre-K–8
6.8 students per teacher
Cambridge, MA
A+Overall grade122 students7 students per teacher
#5 Private Schools with the Smallest Classes in Cambridge, MA
Fayerweather Street School
Independent school · Grades Pre-K–8
7.2 students per teacher
Cambridge, MA
B+Overall grade180 students7 students per teacher
#6 Private Schools with the Smallest Classes in Cambridge, MA
St. Peter School
Parish school · Grades Pre-K–8
9.5 students per teacher
Cambridge, MA
A+Overall grade166 students10 students per teacher
From official public records, updated October 2026.