#1 Fastest-Growing Private Schools in Suffolk County, MA
Meridian Academy
Independent school · Grades 6–12
Enrollment up 159% in about a decade
Jamaica Plain, MA
AOverall grade88 students6 students per teacher
2026 lists
Fastest-Growing Private Schools in Suffolk County, MA
Private schools in Suffolk County, MA whose enrollment has grown the most over the past decade. Top 10 of 10 schools.
#2 Fastest-Growing Private Schools in Suffolk County, MA
British International School of Boston
Independent school · Grades Pre-K–12
Enrollment up 67% in about a decade
Boston, MA
B+Overall grade481 students9 students per teacher
#3 Fastest-Growing Private Schools in Suffolk County, MA
German International School Boston
Independent school · Grades Pre-K–12
Enrollment up 64% in about a decade
Boston, MA
A+Overall grade256 students4 students per teacher
#4 Fastest-Growing Private Schools in Suffolk County, MA
Boston University Academy
Independent school · Grades 9–12
Enrollment up 46% in about a decade
Boston, MA
A+Overall grade233 students7 students per teacher
#5 Fastest-Growing Private Schools in Suffolk County, MA
Immaculate Conception
Parish school · Grades Pre-K–8
Enrollment up 32% in about a decade
Revere, MA
AOverall grade272 students12 students per teacher
#6 Fastest-Growing Private Schools in Suffolk County, MA
Mother Caroline Academy & Education Center
Independent Catholic school · Grades 3–8
Enrollment up 28% in about a decade
Dorchester, MA
AOverall gradeAll girls69 students8 students per teacher
#7 Fastest-Growing Private Schools in Suffolk County, MA
St. Columbkille Partnership School
Independent Catholic school · Grades Pre-K–8
Enrollment up 24% in about a decade
Brighton, MA
A+Overall grade307 students12 students per teacher
#8 Fastest-Growing Private Schools in Suffolk County, MA
Cathedral High School
Independent Catholic school · Grades 7–12
Enrollment up 23% in about a decade
Boston, MA
A+Overall grade326 students9 students per teacher
#9 Fastest-Growing Private Schools in Suffolk County, MA
St. John Paul II Catholic Academy
Diocesan school · Grades Pre-K–8
Enrollment up 18% in about a decade
Dorchester Center, MA
B-Overall grade277 students17 students per teacher
#10 Fastest-Growing Private Schools in Suffolk County, MA
Berea SDA Academy
Seventh-day Adventist school · Grades Pre-K–12
Enrollment up 12% in about a decade
Mattapan, MA
BOverall grade94 students13 students per teacher
From official public records, updated October 2026.