Mastery CS -Thomas Campus
Public
Other Grades K–12 Charter
Part of Mastery CS-Thomas Campus
927 Johnston St, Philadelphia, PA 19148 · (267) 236-0036
Community ratings
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Academic performance
Math proficiency14%
State average 37.3%
Reading / language arts27%
State average 55%
EDFacts via Urban Institute Education Data Portal (SY2020-21)
At a glance
1,314Students enrolled
17:1Student–teacher ratio
CitySetting
Regular SchoolSchool type
Enrollment by grade
Kindergarten77
Grade 181
Grade 288
Grade 392
Grade 483
Grade 592
Grade 688
Grade 7111
Grade 8134
Grade 9118
Grade 10127
Grade 11115
Grade 12108
Students
Hispanic · 40%526
Black · 29%375
Asian · 16%212
White · 9%116
Two or more races · 4%55
American Indian/Alaska Native · 2%30
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
1,316’20
1,284’21
1,258’22
1,361’23
1,314’24
Location
927 Johnston St 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.