#1 Best Private Middle Schools in Massachusetts
Fontbonne Academy
Independent Catholic school · Grades 7–12
The only all-girls school in Milton
Milton, MA
A+Overall gradeAll girls317 students9 students per teacher
2026 lists
Best Private Middle Schools in Massachusetts
Private schools in Massachusetts with middle-school grades and the highest overall grades. Top 50 of 232 schools.
#2 Best Private Middle Schools in Massachusetts
The Newman School
Independent school · Grades 7–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade251 students5 students per teacher
#3 Best Private Middle Schools in Massachusetts
St. Bernadette Elementary School
Parish school · Grades Pre-K–8
Smaller classes than 97% of Catholic schools in Massachusetts
Northborough, MA
A+Overall grade303 students6 students per teacher
#4 Best Private Middle Schools in Massachusetts
Notre Dame Academy
Independent Catholic school · Grades 7–12
The only all-girls school in Worcester
Worcester, MA
A+Overall gradeAll girls258 students8 students per teacher
#5 Best Private Middle Schools in Massachusetts
Boston Trinity Academy
Christian school (nondenominational) · Grades 6–12
93% of graduates go to four-year colleges
Boston, MA
A+Overall grade238 students7 students per teacher
#6 Best Private Middle Schools in Massachusetts
St. Michael School
Diocesan school · Grades Pre-K–8
Smaller classes than 99% of Catholic schools in Massachusetts
Lowell, MA
A+Overall grade148 students4 students per teacher
#7 Best Private Middle Schools in Massachusetts
Wellan Montessori School
Montessori school · Grades Pre-K–8
The only Montessori school in Newton
Newton, MA
A+Overall grade167 students2 students per teacher
#8 Best Private Middle Schools in Massachusetts
Meadowbrook School of Weston
Independent school · Grades Pre-K–8
Smaller classes than 77% of independent schools in Massachusetts
Weston, MA
A+Overall grade295 students5 students per teacher
#9 Best Private Middle Schools in Massachusetts
Lesley Ellis School
Independent school · Grades Pre-K–8
The only independent school in Arlington
Arlington, MA
A+Overall grade155 students4 students per teacher
#10 Best Private Middle Schools in Massachusetts
Quincy Catholic Academy
Diocesan school · Grades Pre-K–8
The only Catholic school in Quincy
Quincy, MA
A+Overall grade210 students9 students per teacher
#11 Best Private Middle Schools in Massachusetts
German International School Boston
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade256 students4 students per teacher
#12 Best Private Middle Schools in Massachusetts
St. John the Evangelist School
Parish school · Grades Pre-K–8
The only Catholic school in Canton
Canton, MA
A+Overall grade218 students9 students per teacher
#13 Best Private Middle Schools in Massachusetts
St. Catherine of Siena School
Parish school · Grades Pre-K–8
Smaller classes than 91% of Catholic schools in Massachusetts
Norwood, MA
A+Overall grade306 students7 students per teacher
#14 Best Private Middle Schools in Massachusetts
Stoneleigh-Burnham School
Independent school · Grades 7–12
The only all-girls school in Greenfield
Greenfield, MA
A+Overall gradeAll girls98 students4 students per teacher
#15 Best Private Middle Schools in Massachusetts
Fellowship Christian Academy
Christian school (nondenominational) · Grades K–12
The only Christian school in Methuen
Methuen, MA
A+Overall grade127 students6 students per teacher
#16 Best Private Middle Schools in Massachusetts
Lexington Christian Academy
Christian school (nondenominational) · Grades 6–12
The only Christian school in Lexington
Lexington, MA
A+Overall grade290 students9 students per teacher
#17 Best Private Middle Schools in Massachusetts
St. Bernard Elementary
Diocesan school · Grades Pre-K–8
Smaller classes than 80% of Catholic schools in Massachusetts
Fitchburg, MA
A+Overall grade222 students8 students per teacher
#18 Best Private Middle Schools in Massachusetts
Hillside School
Independent school · Grades 4–9
The only independent school in Marlborough
Marlborough, MA
A+Overall gradeAll boys140 students5 students per teacher
#19 Best Private Middle Schools in Massachusetts
Bradford Christian Academy
Christian school (nondenominational) · Grades K–12
Smaller classes than 70% of Christian schools in Massachusetts
Bradford, MA
A+Overall grade186 students7 students per teacher
#20 Best Private Middle Schools in Massachusetts
St. Mary of the Assumption School
Diocesan school · Grades Pre-K–8
The only Catholic school in Brookline
Brookline, MA
A+Overall grade128 students8 students per teacher
#21 Best Private Middle Schools in Massachusetts
Ursuline Academy
Independent Catholic school · Grades 7–12
The only Catholic school in Dedham
Dedham, MA
A+Overall gradeAll girls359 students9 students per teacher
#22 Best Private Middle Schools in Massachusetts
Venerini Academy
Independent Catholic school · Grades Pre-K–8
Smaller classes than 72% of Catholic schools in Massachusetts
Worcester, MA
A+Overall grade187 students10 students per teacher
#23 Best Private Middle Schools in Massachusetts
Trinity Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
Smaller classes than 60% of Christian schools in Massachusetts
Barnstable, MA
A+Overall grade185 students8 students per teacher
#24 Best Private Middle Schools in Massachusetts
St. Sebastians School
Independent Catholic school · Grades 7–12
The only all-boys school in Needham
Needham, MA
A+Overall gradeAll boys388 students5 students per teacher
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.