#1 Best All-Boys Schools in Pennsylvania
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
2026 lists
Best All-Boys Schools in Pennsylvania
The highest-graded schools of this kind in Pennsylvania. Top 21 of 21 schools.
#2 Best All-Boys Schools in Pennsylvania
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
#3 Best All-Boys Schools in Pennsylvania
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
#4 Best All-Boys Schools in Pennsylvania
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
#5 Best All-Boys Schools in Pennsylvania
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
#6 Best All-Boys Schools in Pennsylvania
Central Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in Pittsburgh
Pittsburgh, PA
A+Overall gradeAll boys712 students12 students per teacher
#7 Best All-Boys Schools in Pennsylvania
Church Farm School
Episcopal school · Grades 9–12
The only Christian school in Exton
Exton, PA
A+Overall gradeAll boys127 students5 students per teacher
#8 Best All-Boys Schools in Pennsylvania
Holy Ghost Prep
Independent Catholic school · Grades 9–12
The largest Catholic school in Bensalem
Bensalem, PA
A+Overall gradeAll boys439 students12 students per teacher
#9 Best All-Boys Schools in Pennsylvania
The Phelps School
Independent school · Grades 6–12
Small classes: about 7 students per teacher
Malvern, PA
AOverall gradeAll boys80 students7 students per teacher
#10 Best All-Boys Schools in Pennsylvania
Academy of the New Church Boys School
Christian school (nondenominational) · Grades 9–12
The only all-boys school in Bryn Athyn
Bryn Athyn, PA
AOverall gradeAll boys112 students7 students per teacher
#11 Best All-Boys Schools in Pennsylvania
Ysc Academy
Independent school · Grades 7–12
The only all-boys school in Chester
Chester, PA
AOverall gradeAll boys82 students8 students per teacher
#12 Best All-Boys Schools in Pennsylvania
Malvern Preparatory School
Independent Catholic school · Grades 6–12
98% of graduates go to four-year colleges
Malvern, PA
A-Overall gradeAll boys665 students9 students per teacher
#13 Best All-Boys Schools in Pennsylvania
The Nativity School of Harrisburg
Christian school (nondenominational) · Grades 5–8
The only all-boys school in Harrisburg
Harrisburg, PA
A-Overall gradeAll boys68 students7 students per teacher
#14 Best All-Boys Schools in Pennsylvania
Mesivta High School of Greater Philadelphia
Jewish day school · Grades 9–12
The only all-boys school in Bala Cynwyd
Bala Cynwyd, PA
A-Overall gradeAll boys64 students4 students per teacher
#15 Best All-Boys Schools in Pennsylvania
St. Joseph's Preparatory School
Independent Catholic school · Grades 9–12
One of the 3 largest Catholic schools in Pennsylvania
Philadelphia, PA
B+Overall gradeAll boys938 students13 students per teacher
#16 Best All-Boys Schools in Pennsylvania
Valley Forge Military Academy
Independent school · Grades 7–12
The only independent school in Wayne
Wayne, PA
BOverall gradeAll boys128 students9 students per teacher
#17 Best All-Boys Schools in Pennsylvania
Milton Eisner Yeshiva High School
Jewish day school · Grades 9–12
The only all-boys school in Scranton
Scranton, PA
BOverall gradeAll boys77 students13 students per teacher
#18 Best All-Boys Schools in Pennsylvania
Talmudical Yeshiva of Philadelphia
Jewish day school · Grades 9–12
100% of graduates go to four-year colleges
Philadelphia, PA
BOverall gradeAll boys105 students23 students per teacher
#19 Best All-Boys Schools in Pennsylvania
Yeshiva Boys School
Jewish day school · Grades K–11
Small classes: about 7 students per teacher
Pittsburgh, PA
BOverall gradeAll boys146 students7 students per teacher
#20 Best All-Boys Schools in Pennsylvania
George School
Quaker (Friends) school · Grades 9–12
The only Christian school in Newtown
Newtown, PA
BOverall gradeAll boys533 students24 students per teacher
#21 Best All-Boys Schools in Pennsylvania
Father Judge High School
Diocesan school · Grades 9–12
Serving families in Philadelphia since at least 2011
Philadelphia, PA
B-Overall gradeAll boys774 students20 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.