Mastery Charter School Thomas Campus, formerly the George C. Thomas Junior High School, is a secondary charter school located in the south section of Philadelphia, Pennsylvania. It is run by Mastery Charter Schools.
Serving 1,361 students in grades Kindergarten-12, Mastery Cs -thomas Campus ranks in the bottom 50% of all schools in Pennsylvania for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 30% (which is lower than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 36% (which is lower than the Pennsylvania state average of 55%).
The student-teacher ratio of 17:1 is higher than the Pennsylvania state level of 13:1.
Minority enrollment is 91% of the student body (majority Hispanic and Black), which is higher than the Pennsylvania state average of 39% (majority Hispanic and Black).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 1,361 students
- Student-Teacher Ratio: 17:1
- Minority Enrollment: 91%
- Graduation Rate: 85-89% (Btm 50% in PA)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: 30% (Btm 50%)
- Reading Proficiency: 36% (Btm 50%)
- Science Proficiency: 35-39% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Mastery Cs -thomas Campus ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Diversity
Percent Eligible For Free Lunch
School Overview
Mastery Cs -thomas Campus's student population of 1,361 students has stayed relatively flat over five school years.
The teacher population of 78 teachers has grown by 6% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,361 students
Gender %
Total Classroom Teachers
78 teachers
Colors
Grey, Navy Blue
School Calendar
School Mascot
Bulldogs
School Rankings
Mastery Cs -thomas Campus ranks within the bottom 50% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Mastery Cs -thomas Campus is 0.75, which is more than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2092 out of 2733 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
30%
38%
Reading/Language Arts Test Scores (% Proficient)
36%
55%
Science Test Scores (% Proficient)
35-39%
57%
Student-Teacher Ratio
17:1
13:1
American Indian
3%
n/a
Asian
17%
5%
Hispanic
37%
15%
Black
29%
14%
White
9%
61%
Hawaiian
n/a
n/a
Two or more races
5%
5%
All Ethnic Groups
Graduation Rate
85-89%
87%
Eligible for Free Lunch
100%
60%
Eligible for Reduced Lunch (13-14)
4%
5%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
School Notes
- School Mascot: Bulldogs
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Mastery Cs -thomas Campus's ranking?
Mastery Cs -thomas Campus is ranked #2092 out of 2,733 schools, which ranks it among the bottom 50% of public schools in Pennsylvania.
What percent of students have achieved state testing proficiency in math and reading?
30% of students have achieved math proficiency (compared to the 38% PA state average), while 36% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Mastery Cs -thomas Campus?
The graduation rate of Mastery Cs -thomas Campus is 85-89%, which is lower than the Pennsylvania state average of 87%.
How many students attend Mastery Cs -thomas Campus?
1,361 students attend Mastery Cs -thomas Campus.
What is the racial composition of the student body?
37% of Mastery Cs -thomas Campus students are Hispanic, 29% of students are Black, 17% of students are Asian, 9% of students are White, 5% of students are Two or more races, and 3% of students are American Indian.
What is the student-teacher ratio of Mastery Cs -thomas Campus?
Mastery Cs -thomas Campus has a student ration of 17:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Mastery Cs -thomas Campus offer ?
Mastery Cs -thomas Campus offers enrollment in grades Kindergarten-12 (No virtual instruction).
What school district is Mastery Cs -thomas Campus part of?
Mastery Cs -thomas Campus is part of Mastery CS-Thomas Campus School District.
In what neighborhood is Mastery Cs -thomas Campus located?
Mastery Cs -thomas Campus is located in the South Philadelphia East neighborhood of Philadelphia, PA. There are 2 other public schools located in South Philadelphia East.
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