Mastery CS-Hardy Williams
Public
Other Grades K–12 Charter
Part of Mastery CS-Hardy Williams
5400 Warrington Street, Philadelphia, PA 19143 · (215) 724-2343
Community ratings
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Academic performance
Math proficiency12%
State average 37.3%
Reading / language arts22%
State average 55%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,253Students enrolled
19:1Student–teacher ratio
CitySetting
Regular SchoolSchool type
Enrollment by grade
Kindergarten70
Grade 177
Grade 283
Grade 384
Grade 488
Grade 583
Grade 687
Grade 7117
Grade 8128
Grade 9116
Grade 10108
Grade 11122
Grade 1290
Students
Black · 95%1,186
Hispanic · 3%35
Two or more races · 2%20
American Indian/Alaska Native · 0%5
Asian · 0%3
White · 0%2
Native Hawaiian/Pacific Islander · 0%2
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,235’20
1,161’21
1,215’22
1,190’23
1,253’24
Location
5400 Warrington Street Philadelphia
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Academic scores from the EDFacts via Urban Institute Education Data Portal (SY2020-21). Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.