Elementary school (grades K-5) · Philadelphia, PA
Keystone Academy Cs
Federal NCES profile for Keystone Academy Cs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Keystone Academy Cs earns 38/100 on the Resource Investment Index, with class sizes larger than 88% of Pennsylvania schools. It is also more racially and ethnically mixed than most Pennsylvania schools.
- #47 of 131
- elementary schools in Philadelphia · Resource Index
- 38
- Resource Index · Typical
- 16.5:1
- large classes for Pennsylvania
- 80.2%
- free-lunch eligible
Keystone Academy Cs has class sizes larger than 88% of Pennsylvania schools. Computed live against every Pennsylvania school reporting to NCES.
By Resource Investment Index, Keystone Academy Cs ranks #47 of 131 elementary schools in Philadelphia, PA.
School address
NCES ID 420076206103 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-3 students YoY
Keystone Academy Cs held near 663 students from 2022-23 to 2023-24 (-3 headcount).
Teacher FTE added 39.0 → 43.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-3 students YoY 420076206103 · Philadelphia, PA Elementary · MID · CHARTER
642 enr · 16.5:1 · 80.2% lunch · RII 38
Nearest enrollment peer: Elvira Elementary School (642 students)
Keystone Academy Cs held near 663 students from 2022-23 to 2023-24 (-3 headcount). Teacher FTE added 39.0 → 43.0 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
How Keystone Academy Cs compares
Keystone Academy Cs held steady on CCD headcount: ratios and free-lunch share vs Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 16.5:1 | ▲ 21% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 80.2% | ▲ 38% | 58.1% | 51.7% |
| Enrollment | 642 | top 25% | - | - |
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 36.3% of enrollment.
Simpson diversity index - at 71.3, Keystone Academy Cs is more mixed than the Pennsylvania school average of 37.3.
Programs
District finance for Keystone Academy Cs reports $15,872 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 (~642 students)
Frequently asked questions about Keystone Academy Cs
How many students attend Keystone Academy Cs?
Keystone Academy Cs has 642 students enrolled. It is an elementary school in Philadelphia, PA. CCD year-over-year: 666 (2022-23) → 663 (2023-24), nearly flat (-3).
What is the student-teacher ratio at Keystone Academy Cs?
The student-teacher ratio at Keystone Academy Cs is 16.5:1, which is 21% higher than the Pennsylvania average of 13.6:1 and 5% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Keystone Academy Cs?
80.2% of students at Keystone Academy Cs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Keystone Academy Cs?
The largest demographic group at Keystone Academy Cs is African American at 36.3% of enrollment, in Philadelphia, PA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.3/100.
What is the Resource Investment Index for Keystone Academy Cs?
Keystone Academy Cs has a Resource Investment Index of 38/100 (typical 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 Keystone Academy Cs rank among elementary schools in Philadelphia?
By Resource Investment Index, Keystone Academy Cs ranks #47 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 Keystone Academy Cs?
None; Keystone Academy Cs is a single-school charter district, and Keystone Academy Cs is its only campus.