#25 Largest Private Schools in Middlesex County, MA
Mount Alvernia Academy
Independent Catholic school · Grades Pre-K–6
252 students
Chestnut Hill, MA
A+Overall grade252 students10 students per teacher
2026 lists
Largest Private Schools in Middlesex County, MA
The private schools in Middlesex County, MA with the most students. Top 50 of 105 schools.
From official public records, updated October 2026.