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Ridley HS

901 Morton Avenue, Folsom, PA 19033

CSchola Grade
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Grades
9–12
High
Students
1,825
Enrolled 2024–25
Students per teacher
14.4 : 1
Full-time teachers
District
Ridley SD
Delaware County

Schola Grade C · Average

Letter grade (A–F) · compared with 629 Pennsylvania high schools · How we grade
Test scores49% proficient in math & reading
38thpercentile
Equity44% of low-income students proficient
50thpercentile
Attendance27% chronically absent
43rdpercentile
Graduation rate89% graduate in 4 years
33rdpercentile
College readinessAt least 11% take AP, IB or dual-enrollment courses
36thpercentile
Class size14.4 students per teacher
39thpercentile

Percentiles compare this school with other Pennsylvania high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Ridley HS

Ridley HS is a public high school in Folsom, Pennsylvania, serving grades 9–12. It is part of Ridley SD. The school is located in a large suburb in Delaware County.

In the 2024–25 school year, 1,825 students were enrolled, with about 14.4 students for every full-time teacher. That ratio is larger than the typical Pennsylvania high school (13.3 students per teacher). Its Schola Grade is C (average), compared with 629 Pennsylvania high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

901 Morton Avenue
Folsom, PA 19033
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
1,825 students
Students per teacher
14.4 to 1
AP courses offered
21
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Ridley SD
County
Delaware County
NCES school ID
422037001934

Schools near Ridley HS

All 2 schools in Folsom →
Interboro SHS
Public · Grades 9–12 · 1,079 students
A1.6 mi
Chester HS
Public · Grades 9–12 · 806 students
F3.3 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.