#1 Best Private 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 Schools in Massachusetts
Private schools in Massachusetts with the highest overall grades. Top 50 of 292 schools.
#2 Best Private Schools in Massachusetts
Commonwealth School
Independent school · Grades 9–12
Smaller classes than 85% of independent schools in Massachusetts
Boston, MA
A+Overall grade154 students4 students per teacher
#3 Best Private 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
#4 Best Private 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
#5 Best Private 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
#6 Best Private 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
#7 Best Private Schools in Massachusetts
Belmont Day School
Independent school · Grade 1
The only independent school in Belmont
Belmont, MA
A+Overall grade334 students4 students per teacher
#8 Best Private Schools in Massachusetts
St. Mark's School
Episcopal school · Grades 9–12
The only Christian school in Southborough
Southborough, MA
A+Overall grade377 students4 students per teacher
#9 Best Private 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
#10 Best Private 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
#11 Best Private Schools in Massachusetts
Miss Hall's School
Independent school · Grades 9–12
Smaller classes than 92% of independent schools in Massachusetts
Pittsfield, MA
A+Overall gradeAll girls190 students3 students per teacher
#12 Best Private 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
#13 Best Private Schools in Massachusetts
Phillips Academy
Independent school · Grades 9–12
The only independent school in Andover
Andover, MA
A+Overall grade1,154 students6 students per teacher
#14 Best Private Schools in Massachusetts
Chapel Hill Chauncy Hall School
Independent school · Grades 8–12
The only independent school in Waltham
Waltham, MA
A+Overall grade198 students5 students per teacher
#15 Best Private Schools in Massachusetts
Groton School
Episcopal school · Grades 8–12
The only Christian school in Groton
Groton, MA
A+Overall grade381 students6 students per teacher
#16 Best Private 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
#17 Best Private 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
#18 Best Private 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
#19 Best Private Schools in Massachusetts
Learning Project Elementary School
Independent school · Grades K–6
The smallest classes of any independent school in Boston
Boston, MA
A+Overall grade118 students4 students per teacher
#20 Best Private 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
#21 Best Private 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
#22 Best Private 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
#23 Best Private 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
#24 Best Private 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
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.