Enrollment
461
Pennsylvania · 2024-25 NCES data
2024-25 NCES data Elementary school (grades K-5) NCES 420004400406 Charter school
Laboratory Cs — Philadelphia, PA
Federal NCES profile for Laboratory Cs, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 15/100.
🌟 Gifted program 30
📋 Attendance 0
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: Laboratory Cs · Pennsylvania
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Free-lunch eligible
55.4%
vs 58.1% Pennsylvania avg
-5% vs state
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Laboratory Cs reports 461 enrolled students to the National Center for Education Statistics (NCES).
Title I and federal lunch eligibility offer another window into the student body: 55.4% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 5% below the Pennsylvania average and 7% above the national baseline. Chronic absenteeism — missing 10% or more of school days — stands at 68.5% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Laboratory Cs spends $24,612 per pupil district-wide, above the Pennsylvania average of $22,745 and above the national average of $19,490. Revenue comes 66.6% from local sources (property taxes), 1.1% from the state, and 32.3% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 15/100 (F), calculated from 2 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Laboratory Cs compares
Cross-validating school-level NCES values against Pennsylvania state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Pennsylvania | Pennsylvania avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 55.4% | ▼ 5% | 58.1% | 51.8% |
| Enrollment | 461 | top 51% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
55.4%
free-lunch eligible
— 5% below the Pennsylvania average of 58.1%
Above the 40% Title I schoolwide threshold — federal funds support the whole school, not individual students.
Engagement
68.5%
chronically absent (missed 10%+ of school days)
Chronic absenteeism at or above 20% — the CDC threshold for "high" — signals significant barriers to regular attendance.
Funding equity
$24,612
per pupil, district-wide
— above Pennsylvania avg of $22,745
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Overview
Enrollment 461 Top 51% in Pennsylvania — larger than 49% of 2,930 state schools
Teachers (FTE) —
Students per teacher —
Free-lunch eligible 55.4% -5% vs state
NCES ID 420004400406
Student demographics
African American 93.3%
Hispanic or Latino 4.8%
White 0.7%
Native Hawaiian / Pacific Islander 0.7%
Two or More 0.7%
Largest group: African American at 93.3% of enrollment.
Programs & staff
Discipline & special education
Chronically absent 68.5%
Funding & spending
District-wide per-pupil expenditure for Laboratory Cs, which includes Laboratory Cs.
$24,612
Per student
+8%
vs Pennsylvania
Avg $22,745
+26%
vs U.S.
Avg $19,490
Revenue mix
Local 66.6%
State 1.1%
Federal 32.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Similar elementary schools in Philadelphia
6 comparable elementary schools (grades K-5) serving the same city.
Northeast Community Propel Academy
Standard public school
1,783 students 21.9:1 students per teacher
Mayfair Sch
Standard public school
1,763 students 20:1 students per teacher
Solis-Cohen Solomon Sch
Standard public school
1,350 students 15.8:1 students per teacher
Mast Community Cs Iii
Standard public school
1,290 students 15.6:1 students per teacher
Moore J Hampton Sch
Standard public school
1,192 students 16.2:1 students per teacher
Farrell Louis H Sch
Standard public school
1,187 students 16.7:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Laboratory Cs
How many students attend Laboratory Cs?
Laboratory Cs has 461 students enrolled. It is a elementary school in Philadelphia, PA.
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%. The school serves a diverse student body in Philadelphia, PA.
What is the Resource Investment Index for Laboratory Cs?
Laboratory Cs has a Resource Investment Index of 15/100 (F) based on 2 factors: student-teacher ratio, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes. Limited indicators were available, so the index reflects partial data.