#25 Private Schools with the Smallest Classes in Massachusetts
German International School Boston
Independent school · Grades Pre-K–12
4.2 students per teacher
Boston, MA
A+Overall grade256 students4 students per teacher
2026 lists
Private Schools with the Smallest Classes in Massachusetts
Private schools in Massachusetts with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 318 schools.
#26 Private Schools with the Smallest Classes in Massachusetts
Epstein Hillel School
Jewish day school · Grades K–8
4.3 students per teacher
Marblehead, MA
AOverall grade108 students4 students per teacher
#27 Private Schools with the Smallest Classes in Massachusetts
Samuel Fuller School
Presbyterian school · Grades K–12
4.3 students per teacher
Middleboro, MA
A+Overall grade73 students4 students per teacher
#28 Private Schools with the Smallest Classes in Massachusetts
Pioneer Valley Montessori School
Montessori school · Grades Pre-K–5
4.3 students per teacher
Springfield, MA
AOverall grade43 students4 students per teacher
#29 Private Schools with the Smallest Classes in Massachusetts
Tower School
Independent school · Grades Pre-K–8
4.4 students per teacher
Marblehead, MA
A+Overall grade219 students4 students per teacher
#30 Private Schools with the Smallest Classes in Massachusetts
Lesley Ellis School
Independent school · Grades Pre-K–8
4.4 students per teacher
Arlington, MA
A+Overall grade155 students4 students per teacher
#31 Private Schools with the Smallest Classes in Massachusetts
Pine Cobble School
Independent school · Grades Pre-K–8
4.4 students per teacher
Williamstown, MA
A+Overall grade85 students4 students per teacher
#32 Private Schools with the Smallest Classes in Massachusetts
Nantucket Lighthouse School
Independent school · Grades Pre-K–5
4.4 students per teacher
Nantucket, MA
AOverall grade47 students4 students per teacher
#33 Private Schools with the Smallest Classes in Massachusetts
Bridgeview Montessori School
Montessori school · Grades Pre-K–6
4.4 students per teacher
Sagamore, MA
A-Overall grade44 students4 students per teacher
#34 Private Schools with the Smallest Classes in Massachusetts
Summit Montessori School
Montessori school · Grades Pre-K–6
4.5 students per teacher
Framingham, MA
AOverall grade65 students5 students per teacher
#35 Private Schools with the Smallest Classes in Massachusetts
Meadowbrook School of Weston
Independent school · Grades Pre-K–8
4.6 students per teacher
Weston, MA
A+Overall grade295 students5 students per teacher
#36 Private Schools with the Smallest Classes in Massachusetts
Kingsley Montessori School
Montessori school · Grades Pre-K–6
4.6 students per teacher
Boston, MA
AOverall grade184 students5 students per teacher
#37 Private Schools with the Smallest Classes in Massachusetts
Tenacre Country Day School
Independent school · Grades Pre-K–6
4.6 students per teacher
Wellesley, MA
A+Overall grade182 students5 students per teacher
#38 Private Schools with the Smallest Classes in Massachusetts
The Common School
Alternative school · Grades Pre-K–6
4.7 students per teacher
Amherst, MA
A+Overall grade71 students5 students per teacher
#39 Private Schools with the Smallest Classes in Massachusetts
Charles River School
Independent school · Grades Pre-K–8
4.8 students per teacher
Dover, MA
A+Overall grade180 students5 students per teacher
#40 Private Schools with the Smallest Classes in Massachusetts
Hillside School
Independent school · Grades 4–9
4.8 students per teacher
Marlborough, MA
A+Overall gradeAll boys140 students5 students per teacher
#41 Private Schools with the Smallest Classes in Massachusetts
Acera School
Independent school · Grades K–12
4.8 students per teacher
Winchester, MA
A+Overall grade122 students5 students per teacher
#42 Private Schools with the Smallest Classes in Massachusetts
Lander Grinspoon Academy - Solomon Schechter
Jewish day school · Grades K–6
4.9 students per teacher
Northampton, MA
AOverall grade70 students5 students per teacher
#43 Private Schools with the Smallest Classes in Massachusetts
The Woodward School
Independent school · Grades 6–12
4.9 students per teacher
Quincy, MA
A+Overall gradeAll girls65 students5 students per teacher
#44 Private Schools with the Smallest Classes in Massachusetts
Milton Academy
Independent school · Grades K–12
5 students per teacher
Milton, MA
A+Overall grade1,030 students5 students per teacher
#45 Private Schools with the Smallest Classes in Massachusetts
The Hartsbrook School
Independent school · Grades Pre-K–12
5 students per teacher
Hadley, MA
A+Overall grade259 students5 students per teacher
#46 Private Schools with the Smallest Classes in Massachusetts
The Newman School
Independent school · Grades 7–12
5 students per teacher
Boston, MA
A+Overall grade251 students5 students per teacher
#47 Private Schools with the Smallest Classes in Massachusetts
Applewild School
Independent school · Grades Pre-K–9
5 students per teacher
Fitchburg, MA
AOverall grade149 students5 students per teacher
#48 Private Schools with the Smallest Classes in Massachusetts
Newton Country Day School
Independent Catholic school · Grades 5–12
5.1 students per teacher
Newton, MA
A+Overall gradeAll girls374 students5 students per teacher
From official public records, updated October 2026.