Mastery CS -Thomas Campus

Combined school·Grades K-12·Charter Philadelphia, Pennsylvania·19148
Score
75.0/100
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#24
Among 94 Pennsylvania combined schools
#9
In Philadelphia
Top 26%
In Pennsylvania

Score 75.0/100: better than 75% of Pennsylvania combined schools on 2024-25 state tests. Schools are only compared with others of the same type in the same state. How we score schools

Performance (state tests, 2024-25)

% proficient or advanced on state tests in Pennsylvania, all students. Colored bars are green when the school is at or above the average for similar Pennsylvania schools.

English language arts
49%
Similar Pennsylvania schools ≈ 40%, better than 71% of them
688 students tested
Math
39%
Similar Pennsylvania schools ≈ 25%, better than 85% of them
691 students tested
Science
31%
Similar Pennsylvania schools ≈ 34%, better than 48% of them
115 students tested
All Pennsylvania schools (ELA / math)
51% / 43%
State average across every school type, 2024-25
All 17 published results by grade and test

As published by Pennsylvania Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.

SubjectGradeTestResultStudents tested
English language artsHigh schoolKeystone58.8114
English language artsGrade 3PSSA43.390
English language artsGrade 4PSSA55.681
English language artsGrade 5PSSA37.588
English language artsGrade 6PSSA53.684
English language artsGrade 7PSSA40.6101
English language artsGrade 8PSSA49.2130
English language artsAll gradesPSSA46.5574
MathHigh schoolKeystone37.4115
MathGrade 3PSSA44.490
MathGrade 4PSSA45.781
MathGrade 5PSSA39.187
MathGrade 6PSSA5786
MathGrade 7PSSA19.6102
MathGrade 8PSSA36.2130
MathAll gradesPSSA39.4576
ScienceHigh schoolKeystone31.3115

School profile

Grades
K-12
Students
1,361
Type
Combined school
Charter school
Yes
Program
Regular

Students

Enrollment
1,361
Typical combined school: 644
Free or reduced-price lunch
—
Not reported to the federal data

District and location

City
Philadelphia County

Contact

Address
927 Johnston St
Philadelphia, PA 19148
District website
Shared by several schools in the district

"Typical" is the middle (median) combined school in Pennsylvania. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).

Nearby combined schools

Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.

Location

OpenStreetMap · Google Maps

Mastery CS -Thomas Campus at a glance

Mastery CS -Thomas Campus is a public combined school (a charter school) in Philadelphia, Pennsylvania, serving grades K-12. It is part of the Mastery CS-Thomas Campus school district. It has about 1,361 students (a typical Pennsylvania combined school has 644).

In 2024-25 state tests, 49% in English language arts (similar schools: 40%) and 39% in math (similar schools: 25%) reached the state standard (% proficient or advanced). On our score, which compares it only with other Pennsylvania combined schools, it scores 75.0 out of 100: better than 75% of them, ranking #24 of 94. Its English language arts result fell by 2 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.

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Page updated 2026-10-12.