#1 Fastest-Growing Private Schools in Delaware County, PA
Lansdowne Friends School
Quaker (Friends) school · Grades Pre-K–6
Enrollment up 63% in about a decade
Lansdowne, PA
A+Overall grade88 students5 students per teacher
2026 lists
Fastest-Growing Private Schools in Delaware County, PA
Private schools in Delaware County, PA whose enrollment has grown the most over the past decade. Top 7 of 7 schools.
#2 Fastest-Growing Private Schools in Delaware County, PA
Geoge Crothers Memorial School
Special education school · Grades K–12
Enrollment up 55% in about a decade
Swarthmore, PA
B+Overall grade130 students6 students per teacher
#3 Fastest-Growing Private Schools in Delaware County, PA
St. Bernadette School
Diocesan school · Grades Pre-K–8
Enrollment up 47% in about a decade
Drexel Hill, PA
BOverall grade288 students19 students per teacher
#4 Fastest-Growing Private Schools in Delaware County, PA
Jack M Barrack Hebrew Academy
Jewish day school · Grades 6–12
Enrollment up 31% in about a decade
Bryn Mawr, PA
A+Overall grade360 students7 students per teacher
#5 Fastest-Growing Private Schools in Delaware County, PA
St. Andrew School
Parish school · Grades Pre-K–8
Enrollment up 25% in about a decade
Drexel Hill, PA
B+Overall grade353 students16 students per teacher
#6 Fastest-Growing Private Schools in Delaware County, PA
Hill Top Preparatory School
Special education school · Grades 6–12
Enrollment up 21% in about a decade
Bryn Mawr, PA
A-Overall grade87 students5 students per teacher
#7 Fastest-Growing Private Schools in Delaware County, PA
Benchmark School
Special education school · Grades 1–8
Enrollment up 20% in about a decade
Media, PA
A+Overall grade177 students3 students per teacher
From official public records, updated October 2026.