#1 Best All-Boys 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
2026 lists
Best All-Boys Schools in Massachusetts
The highest-graded schools of this kind in Massachusetts. Top 9 of 9 schools.
#2 Best All-Boys 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
#3 Best All-Boys Schools in Massachusetts
Sparhawk Academy
Independent Catholic school · Grades 3–8
Smaller classes than 89% of Catholic schools in Massachusetts
Mills, MA
AOverall gradeAll boys95 students7 students per teacher
#4 Best All-Boys Schools in Massachusetts
Boston College High School
Independent Catholic school · Grades 7–12
The only all-boys school in Dorchester
Dorchester, MA
AOverall gradeAll boys1,439 students13 students per teacher
#5 Best All-Boys Schools in Massachusetts
St. Johns Preparatory School
Independent Catholic school · Grades 6–12
The only all-boys school in Danvers
Danvers, MA
A-Overall gradeAll boys1,453 students10 students per teacher
#6 Best All-Boys Schools in Massachusetts
Catholic Memorial
Independent Catholic school · Grades 7–12
The only all-boys school in West Roxbury
West Roxbury, MA
B+Overall gradeAll boys605 students13 students per teacher
#7 Best All-Boys Schools in Massachusetts
St. John's High School
Independent Catholic school · Grades 7–12
The only all-boys school in Shrewsbury
Shrewsbury, MA
B+Overall gradeAll boys916 students12 students per teacher
#8 Best All-Boys Schools in Massachusetts
Xaverian Brothers High School
Independent Catholic school · Grades 7–12
93% of graduates go to four-year colleges
Westwood, MA
BOverall gradeAll boys966 students15 students per teacher
#9 Best All-Boys Schools in Massachusetts
The Fenn School
Independent school · Grades 4–9
The only all-boys school in Concord
Concord, MA
BOverall gradeAll boys310 students7 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.