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Charter SchoolHigh

Mastery CS-Gratz Campus

1798 West Hunting Park Avenue, Philadelphia, PA 19140

FSchola Grade
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Grades
7–12
High
Students
1,048
Enrolled 2024–25
Students per teacher
15 : 1
Full-time teachers
District
Mastery CS-Gratz Campus
Philadelphia County

Schola Grade F · Far below average

Letter grade (A–F) · compared with 629 Pennsylvania high schools · How we grade
Test scores12% proficient in math & reading
4thpercentile
Equity10% of low-income students proficient
2ndpercentile
Attendance34% chronically absent
27thpercentile
Graduation rate87% graduate in 4 years
25thpercentile
College readinessAt least 2% take AP, IB or dual-enrollment courses
7thpercentile
Class size15 students per teacher
30thpercentile

Percentiles compare this school with other Pennsylvania high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Mastery CS-Gratz Campus

Mastery CS-Gratz Campus is a charter high school in Philadelphia, Pennsylvania, serving grades 7–12. The school is located in a large city in Philadelphia County.

In the 2024–25 school year, 1,048 students were enrolled, with about 15 students for every full-time teacher. That ratio is larger than the typical Pennsylvania high school (13.3 students per teacher). As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from Philadelphia City SD. Its Schola Grade is F (far below average), compared with 629 Pennsylvania high schools.

Grades & enrollment

Students per grade, 2024–25Grades 7–12

Location & nearby schools

1798 West Hunting Park Avenue
Philadelphia, PA 19140
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School details

Type
Charter School · What this means
Level
High
Grades offered
7–12
Enrollment (2024–25)
1,048 students
Students per teacher
15 to 1
AP courses offered
1
Charter school
Yes
Charter authorizer
Philadelphia City SD
Magnet school
No
Virtual learning
Offers virtual courses
Locale
City — Large
School district
Mastery CS-Gratz Campus
County
Philadelphia County
NCES school ID
420085107414

Schools near Mastery CS-Gratz Campus

All 420 schools in Philadelphia →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.