#25 Private Schools with the Smallest Classes in Middlesex County, MA
The Rivers School
Independent school · Grades 6–12
6 students per teacher
Weston, MA
A+Overall grade525 students6 students per teacher
2026 lists
Private Schools with the Smallest Classes in Middlesex County, MA
Private schools in Middlesex County, MA with the fewest students per teacher (not counting preschools and special education schools). Top 50 of 71 schools.
From official public records, updated October 2026.