Serving 4,191 students in grades 9-12, Upper Darby Sr. High School ranks in the bottom 50% of all schools in Pennsylvania for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 51% (which is higher than the Pennsylvania state average of 36%). The percentage of students achieving proficiency in reading/language arts is 50% (which is lower than the Pennsylvania state average of 55%).
The student:teacher ratio of 19:1 is higher than the Pennsylvania state level of 13:1.
Minority enrollment is 82% of the student body (majority Black), which is higher than the Pennsylvania state average of 38% (majority Black and Hispanic).
Quick Stats (2024-25)
- School Type: Magnet School
- Grades: 9-12
- Enrollment: 4,191 students
- Student:Teacher Ratio: 19:1
- Minority Enrollment: 82%
- Graduation Rate: 87% (Btm 50% in PA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 51% (Top 50%)
- Reading Proficiency: 50% (Btm 50%)
- Science Proficiency: 39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Upper Darby Sr. High School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Diversity
School Overview
Upper Darby Sr. High School's student population of 4,191 students has grown by 9% over five school years.
The teacher population of 222 teachers has declined by 5% over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
(offers virtual instruction)
Total Students
4,191 students
Gender %
Total Classroom Teachers
222 teachers
Students by Grade
School Rankings
Upper Darby Sr. High School ranks within the bottom 50% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Upper Darby Sr. High School is 0.67, which is more than the diversity score at state average of 0.58. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1400 out of 2733 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
51%
36%
Reading/Language Arts Test Scores (% Proficient)
50%
55%
Science Test Scores (% Proficient)
39%
57%
Student : Teacher Ratio
19:1
13:1
American Indian
n/a
n/a
Asian
14%
5%
Hispanic
13%
14%
Black
52%
14%
White
18%
62%
Hawaiian
n/a
n/a
Two or more races
3%
5%
All Ethnic Groups
Graduation Rate
87%
87%
Eligible for Free Lunch
95%
54%
Eligible for Reduced Lunch (17-18)
4%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Frequently Asked Questions
What is Upper Darby Sr. High School's ranking?
Upper Darby Sr. High School is ranked #1400 out of 2,733 schools, which ranks it among the bottom 50% of public schools in Pennsylvania.
What percent of students have achieved state testing proficiency in math and reading?
51% of students have achieved math proficiency (compared to the 36% PA state average), while 50% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Upper Darby Sr. High School?
The graduation rate of Upper Darby Sr. High School is 87%, which is equal to the Pennsylvania state average of 87%.
How many students attend Upper Darby Sr. High School?
4,191 students attend Upper Darby Sr. High School.
What is the racial composition of the student body?
52% of Upper Darby Sr. High School students are Black, 18% of students are White, 14% of students are Asian, 13% of students are Hispanic, and 3% of students are Two or more races.
What is the student:teacher ratio of Upper Darby Sr. High School?
Upper Darby Sr. High School has a student ration of 19:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Upper Darby Sr. High School offer ?
Upper Darby Sr. High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Upper Darby Sr. High School part of?
Upper Darby Sr. High School is part of Upper Darby School District.
School Reviews
5 10/31/2015
Absolutely amazing place to prepare you for the real world. From academics to extracurriculars Upper Darby does not get enough credit.
5 6/1/2012
A great place to prepare for life.
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