Elementary school (grades K-5) · Philadelphia, PA
Mastery Prep Elementary Cs
Federal NCES profile for Mastery Prep Elementary Cs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.
The verdict
Mastery Prep Elementary Cs earns 27/100 on the Resource Investment Index, with class sizes larger than 97% of Pennsylvania schools.
- #90 of 131
- elementary schools in Philadelphia · Resource Index
- 27
- Resource Index · Lower
- 19.3:1
- large classes for Pennsylvania
- 598
- students enrolled
Mastery Prep Elementary Cs has class sizes larger than 97% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Mastery Prep Elementary Cs ranks #90 of 131 elementary schools in Philadelphia, PA.
School address
NCES ID 420090007662 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+51 students YoY
Mastery Prep Elementary Cs grew from 549 students in 2022-23 to 600 in 2023-24 (+9.3%).
Teacher FTE lost 31.0 → 30.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+51 students YoY 420090007662 · Philadelphia, PA Elementary · MID · CHARTER
598 enr · 19.3:1 · RII 27
Nearest enrollment peer: Williams Intermediate School (598 students)
Mastery Prep Elementary Cs grew from 549 students in 2022-23 to 600 in 2023-24 (+9.3%). Teacher FTE lost 31.0 → 30.0 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
How Mastery Prep Elementary Cs compares
Mastery Prep Elementary Cs is a growing campus on CCD: ratios and free-lunch share vs Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.3:1 | ▲ 42% | 13.6:1 | 15.7:1 |
| Enrollment | 598 | top 30% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: African American at 85.1% of enrollment.
Simpson diversity index - at 26.3, Mastery Prep Elementary Cs is less mixed than the Pennsylvania school average of 37.3.
Programs
District finance for Mastery Prep Elementary Cs reports $16,168 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar elementary schools in Philadelphia
6 comparable elementary schools (grades K-5) serving the same city.
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~598 students)
Frequently asked questions about Mastery Prep Elementary Cs
How many students attend Mastery Prep Elementary Cs?
Mastery Prep Elementary Cs has 598 students enrolled. It is an elementary school in Philadelphia, PA. CCD year-over-year: 549 (2022-23) → 600 (2023-24), up 51.
What is the student-teacher ratio at Mastery Prep Elementary Cs?
The student-teacher ratio at Mastery Prep Elementary Cs is 19.3:1, which is 42% higher than the Pennsylvania average of 13.6:1 and 23% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Mastery Prep Elementary Cs?
The largest demographic group at Mastery Prep Elementary Cs is African American at 85.1% of enrollment, in Philadelphia, PA.
What is the Resource Investment Index for Mastery Prep Elementary Cs?
Mastery Prep Elementary Cs has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mastery Prep Elementary Cs rank among elementary schools in Philadelphia?
By Resource Investment Index, Mastery Prep Elementary Cs ranks #90 of 131 elementary schools in Philadelphia, PA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Philadelphia on the city page.
What other schools are in Mastery Prep Elementary Cs?
None; Mastery Prep Elementary Cs is a single-school charter district, and Mastery Prep Elementary Cs is its only campus.