#1 Best All-Boys Schools in the Northeast
Lasalle Academy
Independent Catholic school · Grades 9–12
Smaller classes than 92% of Catholic schools in New York
New York, NY
A+Overall gradeAll boys189 students6 students per teacher
2026 lists
Best All-Boys Schools in the Northeast
The highest-graded schools of this kind in the Northeast. Top 50 of 239 schools.
#2 Best All-Boys Schools in the Northeast
Cathedral Preparatory School and Seminary
Diocesan school · Grades 9–12
The only all-boys school in Elmhurst
Elmhurst, NY
A+Overall gradeAll boys160 students11 students per teacher
#3 Best All-Boys Schools in the Northeast
Delbarton School
Independent Catholic school · Grades 7–12
The only all-boys school in Morristown
Morristown, NJ
A+Overall gradeAll boys646 students8 students per teacher
#4 Best All-Boys Schools in the Northeast
Cardigan Mountain School
Independent school · Grades 6–9
Smaller classes than 86% of independent schools nationwide
Canaan, NH
A+Overall gradeAll boys231 students4 students per teacher
#5 Best All-Boys Schools in the Northeast
Don Bosco Preparatory High School
Independent Catholic school · Grades 9–12
Smaller classes than 91% of Catholic schools in New Jersey
Ramsey, NJ
A+Overall gradeAll boys786 students7 students per teacher
#6 Best All-Boys Schools in the Northeast
Regis High School
Independent Catholic school · Grades 9–12
100% of graduates go to four-year colleges
New York, NY
A+Overall gradeAll boys529 students9 students per teacher
#7 Best All-Boys Schools in the Northeast
The Allen-Stevenson School
Independent school · Grades K–8
Smaller classes than 89% of independent schools in New York
New York, NY
A+Overall gradeAll boys385 students3 students per teacher
#8 Best All-Boys Schools in the Northeast
Devon Preparatory School
Independent Catholic school · Grades 6–12
Smaller classes than 88% of Catholic schools in Pennsylvania
Devon, PA
A+Overall gradeAll boys333 students6 students per teacher
#9 Best All-Boys Schools in the Northeast
Bishop Hendricken High School
Diocesan school · Grades 8–12
The only all-boys school in Warwick
Warwick, RI
A+Overall gradeAll boys610 students11 students per teacher
#10 Best All-Boys Schools in the Northeast
St. Aloysius Academy
Independent Catholic school · Grades Pre-K–8
The only all-boys school in Bryn Mawr
Bryn Mawr, PA
A+Overall gradeAll boys127 students5 students per teacher
#11 Best All-Boys Schools in the Northeast
Salisbury School
Episcopal school · Grades 9–12
100% of graduates go to four-year colleges
Salisbury, CT
A+Overall gradeAll boys319 students8 students per teacher
#12 Best All-Boys Schools in the Northeast
Hillside School
Independent school · Grades 4–9
The only independent school in Marlborough
Marlborough, MA
A+Overall gradeAll boys140 students5 students per teacher
#13 Best All-Boys Schools in the Northeast
Archbishop Stepinac High School
Independent Catholic school · Grades 9–12
The only all-boys school in White Plains
White Plains, NY
A+Overall gradeAll boys769 students13 students per teacher
#14 Best All-Boys Schools in the Northeast
St. Davids School
Independent school · Grades K–8
Smaller classes than 92% of independent schools in New York
New York, NY
A+Overall gradeAll boys405 students3 students per teacher
#15 Best All-Boys Schools in the Northeast
Fordham Preparatory School
Independent Catholic school · Grades 9–12
98% of graduates go to four-year colleges
Bronx, NY
A+Overall gradeAll boys945 students12 students per teacher
#16 Best All-Boys Schools in the Northeast
St. Peters Preparatory School
Independent Catholic school · Grades 9–12
The only all-boys school in Jersey City
Jersey City, NJ
A+Overall gradeAll boys863 students11 students per teacher
#17 Best All-Boys Schools in the Northeast
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
#18 Best All-Boys Schools in the Northeast
Notre Dame High School
Independent Catholic school · Grades 9–12
98% of graduates go to four-year colleges
West Haven, CT
A+Overall gradeAll boys471 students12 students per teacher
#19 Best All-Boys Schools in the Northeast
La Salle College High School
Independent Catholic school · Grades 9–12
The largest of 317 Catholic schools in Pennsylvania
Wyndmoor, PA
A+Overall gradeAll boys1,158 students11 students per teacher
#20 Best All-Boys Schools in the Northeast
Seton Hall Preparatory School
Diocesan school · Grades 9–12
The only Catholic school in West Orange
West Orange, NJ
A+Overall gradeAll boys981 students13 students per teacher
#21 Best All-Boys Schools in the Northeast
Summit Academy
Independent school · Grades 7–12
100% of graduates go to four-year colleges
Herman, PA
A+Overall gradeAll boys115 students6 students per teacher
#22 Best All-Boys Schools in the Northeast
Iona Preparatory Lower School
Independent Catholic school · Grades Pre-K–8
Smaller classes than 60% of Catholic schools in New York
New Rochelle, NY
A+Overall gradeAll boys215 students11 students per teacher
#23 Best All-Boys Schools in the Northeast
The Kiski School
Independent school · Grades 9–12
100% of graduates go to four-year colleges
Saltsburg, PA
A+Overall gradeAll boys189 students8 students per teacher
#24 Best All-Boys Schools in the Northeast
Xavier High School
Independent Catholic school · Grades 9–12
The largest Catholic school in New York
New York, NY
A+Overall gradeAll boys924 students14 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.