#25 Fastest-Growing Private Schools in Middlesex County, MA
Crossroads School
Special education school · Grades K–12
Enrollment up 12% in about a decade
Marlborough, MA
B+Overall grade54 students5 students per teacher
2026 lists
Fastest-Growing Private Schools in Middlesex County, MA
Private schools in Middlesex County, MA whose enrollment has grown the most over the past decade. Top 26 of 26 schools.
From official public records, updated October 2026.