#1 College-Bound Private High Schools in Suffolk County, MA
Catholic Memorial
Independent Catholic school · Grades 7–12
100% of graduates go to four-year colleges
West Roxbury, MA
B+Overall gradeAll boys605 students13 students per teacher
2026 lists
College-Bound Private High Schools in Suffolk County, MA
Private high schools in Suffolk County, MA where the most graduates go on to four-year colleges. Top 12 of 12 schools.
#2 College-Bound Private High Schools in Suffolk County, MA
British International School of Boston
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Boston, MA
B+Overall grade481 students9 students per teacher
#3 College-Bound Private High Schools in Suffolk County, MA
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
#4 College-Bound Private High Schools in Suffolk County, MA
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
#5 College-Bound Private High Schools in Suffolk County, MA
The Newman School
Independent school · Grades 7–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade244 students5 students per teacher
#6 College-Bound Private High Schools in Suffolk County, MA
Boston University Academy
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade233 students7 students per teacher
#7 College-Bound Private High Schools in Suffolk County, MA
Commonwealth School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Boston, MA
A+Overall grade154 students4 students per teacher
#8 College-Bound Private High Schools in Suffolk County, MA
Boston College High School
Independent Catholic school · Grades 7–12
99% of graduates go to four-year colleges
Dorchester, MA
AOverall gradeAll boys1,439 students13 students per teacher
#9 College-Bound Private High Schools in Suffolk County, MA
Cathedral High School
Independent Catholic school · Grades 7–12
98% of graduates go to four-year colleges
Boston, MA
A+Overall grade326 students9 students per teacher
#10 College-Bound Private High Schools in Suffolk County, MA
The Winsor School
Independent school · Grades 5–12
97% of graduates go to four-year colleges
Boston, MA
A+Overall gradeAll girls475 students6 students per teacher
#11 College-Bound Private High Schools in Suffolk County, MA
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
#12 College-Bound Private High Schools in Suffolk County, MA
Cristo Rey Boston High School
Diocesan school · Grades 9–12
92% of graduates go to four-year colleges
Dorchester, MA
B+Overall grade230 students15 students per teacher
From official public records, updated October 2026.