#1 Best Independent Schools in Delaware County, PA
The Agnes Irwin School
Independent school · Grades Pre-K–12
100% of graduates go to four-year colleges
Bryn Mawr, PA
A+Overall gradeAll girls599 students7 students per teacher
2026 lists
Best Independent Schools in Delaware County, PA
The highest-graded schools of this kind in Delaware County, PA. Top 7 of 7 schools.
#2 Best Independent Schools in Delaware County, PA
The Grayson School
Independent school · Grades Pre-K–12
The only independent school in Radnor
Radnor, PA
A+Overall grade160 students4 students per teacher
#3 Best Independent Schools in Delaware County, PA
Main Line Classical Academy
Independent school · Grades K–11
Smaller classes than 89% of independent schools in Pennsylvania
Bryn Mawr, PA
A+Overall grade85 students4 students per teacher
#4 Best Independent Schools in Delaware County, PA
Ysc Academy
Independent school · Grades 7–12
The only all-boys school in Chester
Chester, PA
AOverall gradeAll boys82 students8 students per teacher
#5 Best Independent Schools in Delaware County, PA
The School in Rose Valley
Independent school · Grades Pre-K–5
Smaller classes than 62% of independent schools in Pennsylvania
Rose Valley, PA
AOverall grade86 students7 students per teacher
#6 Best Independent Schools in Delaware County, PA
Davidson School
Independent school · Grades Pre-K–12
Small classes: about 7 students per teacher
Elwyn, PA
B+Overall grade269 students7 students per teacher
#7 Best Independent Schools in Delaware County, PA
Valley Forge Military Academy
Independent school · Grades 7–12
The only independent school in Wayne
Wayne, PA
BOverall gradeAll boys128 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.