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D−

Mastery CS John Wister Elementary

PublicElementaryGrades K–5Charter

67 E Bringhurst Street, Philadelphia, PA 19144 · (215) 951-4003

Philadelphia’s School Grade D better than 13% of Pennsylvania school districts

Directions
Students
506
Students per teacher
17:1
Setting
City
Grades
K–5
The gist

What stands out about Mastery CS John Wister Elementary

  • Its own letter, D−: reading and math results near the bottom of Pennsylvania’s public schools
  • Math proficiency 35 pts below the state
  • Reading / language arts 43 pts below the state

Test scores

2020–21
Math proficiency2%
State average 37.3%
Reading / language arts12%
State average 55%

Its own letter, D−, places these results among Pennsylvania’s 2,693 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

67 E Bringhurst Street, Philadelphia

Students

Enrollment by grade
Kindergarten78
Grade 179
Grade 286
Grade 382
Grade 481
Grade 5100
Enrollment over time
505’20
492’21
513’22
497’23
506’24

About steady since 2020–21.

Who goes here
Black 89%Hispanic 6%Two or more races 4%White <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Mastery CS John Wister Elementary from Philadelphia families.

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against Pennsylvania’s other public schools; Philadelphia’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.