Elementary school (grades K-5) · Philadelphia, PA
Laboratory Cs
Federal NCES profile for Laboratory Cs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 0/100.
The verdict
Laboratory Cs earns 0/100 on the Resource Investment Index on federal resource data.
- #128 of 131
- elementary schools in Philadelphia · Resource Index
- 0
- Resource Index · Lower
- 55.4%
- free-lunch eligible
- 461
- students enrolled
By Resource Investment Index, Laboratory Cs ranks #128 of 131 elementary schools in Philadelphia, PA.
School address
NCES ID 420004400406 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-85 students YoY
Laboratory Cs shrank from 491 students in 2022-23 to 406 in 2023-24 (-17.3%).
Teacher FTE added 0.0 → 35.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Shrinking CCD campus
-85 students YoY 420004400406 · Philadelphia, PA Elementary · SMALL · CHARTER
461 enr · 55.4% lunch · RII 0
Nearest enrollment peer: Ellen Smith Elementary School (461 students)
Laboratory Cs shrank from 491 students in 2022-23 to 406 in 2023-24 (-17.3%). Teacher FTE added 0.0 → 35.0 across the same CCD years. Read with this school → · District book → · Pennsylvania schools → · Find another →
How Laboratory Cs compares
Laboratory Cs is a shrinking campus on CCD: ratios and free-lunch share vs Pennsylvania and U.S. means.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 55.4% | ▼ 5% | 58.1% | 51.7% |
| Enrollment | 461 | top 49% | - | - |
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 93.3% of enrollment.
Simpson diversity index - at 12.7, Laboratory Cs is less mixed than the Pennsylvania school average of 37.3.
District finance for Laboratory Cs reports $16,967 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.
Frequently asked questions about Laboratory Cs
How many students attend Laboratory Cs?
Laboratory Cs has 461 students enrolled. It is an elementary school in Philadelphia, PA. CCD year-over-year: 491 (2022-23) → 406 (2023-24), down 85.
What percentage of students receive free lunch at Laboratory Cs?
55.4% of students at Laboratory Cs are eligible for free lunch, compared to the Pennsylvania average of 58.1%.
What is the racial and ethnic makeup of Laboratory Cs?
The largest demographic group at Laboratory Cs is African American at 93.3% of enrollment, in Philadelphia, PA.
What is the Resource Investment Index for Laboratory Cs?
Laboratory Cs has a Resource Investment Index of 0/100 (lower reported resources relative to schools nationally) based on 1 factor: chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Laboratory Cs rank among elementary schools in Philadelphia?
By Resource Investment Index, Laboratory Cs ranks #128 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 Laboratory Cs?
None; Laboratory Cs is a single-school charter district, and Laboratory Cs is its only campus.