Serving 647 students in grades Kindergarten-8, Mastery Cs-francis D. Pastorius Elementary School 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 4% (which is lower than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 17% (which is lower than the Pennsylvania state average of 55%).
The student-teacher ratio of 15:1 is higher than the Pennsylvania state level of 13:1.
Quick Facts (2026)
- School Type: Charter School
- Grades: Kindergarten-8
- Enrollment: 647 students
- Student-Teacher Ratio: 15:1
- Overall Testing Rank: Bottom 50% in PA
- Math Proficiency: 4% (Btm 50%)
- Reading Proficiency: 17% (Btm 50%)
- Science Proficiency: 25-29% (Btm 50%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Mastery Cs-francis D. Pastorius Elementary School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Percent Eligible For Free Lunch
School Overview
Mastery Cs-francis D. Pastorius Elementary School's student population of 647 students has stayed relatively flat over five school years.
The teacher population of 43 teachers has grown by 7% over five school years.
School Type
Grades Offered
Grades Kindergarten-8
(No virtual instruction)
(No virtual instruction)
Total Students
647 students
Total Classroom Teachers
43 teachers
Year Founded
2001
School Calendar
Average Class Size
15 students
School Rankings
Mastery Cs-francis D. Pastorius Elementary School 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-francis D. Pastorius Elementary School is 0.22, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2677 out of 2733 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
4%
38%
Reading/Language Arts Test Scores (% Proficient)
17%
55%
Science Test Scores (% Proficient)
25-29%
57%
Student-Teacher Ratio
15:1
13:1
American Indian
1%
n/a
Hispanic
6%
16%
Black
88%
14%
Two or more races
5%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)32.9%
23.3%
Eligible for Free Lunch
100%
59%
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
Frequently Asked Questions
What is Mastery Cs-francis D. Pastorius Elementary School's ranking?
Mastery Cs-francis D. Pastorius Elementary School is ranked #2677 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?
4% of students have achieved math proficiency (compared to the 38% PA state average), while 17% of students have achieved reading proficiency (compared to the 55% PA state average).
How many students attend Mastery Cs-francis D. Pastorius Elementary School?
647 students attend Mastery Cs-francis D. Pastorius Elementary School.
What is the racial composition of the student body?
88% of Mastery Cs-francis D. Pastorius Elementary School students are Black, 6% of students are Hispanic, 5% of students are Two or more races, and 1% of students are American Indian.
What is the student-teacher ratio of Mastery Cs-francis D. Pastorius Elementary School?
Mastery Cs-francis D. Pastorius Elementary School has a student ration of 15:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Mastery Cs-francis D. Pastorius Elementary School offer ?
Mastery Cs-francis D. Pastorius Elementary School offers enrollment in grades Kindergarten-8 (No virtual instruction).
What school district is Mastery Cs-francis D. Pastorius Elementary School part of?
Mastery Cs-francis D. Pastorius Elementary School is part of Mastery CS-Francis D. Pastorius Elementary School District.
In what neighborhood is Mastery Cs-francis D. Pastorius Elementary School located?
Mastery Cs-francis D. Pastorius Elementary School is located in the East Germantown neighborhood of Philadelphia, PA. There are 4 other public schools located in East Germantown.
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