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Laboratory CS

Grades KG–08 · Philadelphia, PA · NCES 420004400406

Charter
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Administrative Office · Philadelphia, PA 19140

At a glance

Reported students

461

NCES CCD 2024–25

Teachers (FTE)

21

NCES CCD 2024–25

Student–teacher ratio

22:1

Calculated; not a class-size measure

Grades served

KG–08

NCES preliminary directory 2025–26

School benchmarks

Pennsylvania elementary enrollment

60th percentile

Compared with 1,624 same-level schools reporting enrollment.

District median enrollment

461

Laboratory CS: 461 reported students.

State peer staffing position

99th percentile

22:1 reported; state peer median 12.9:1. Ratio is not class size.

What the reported data says about Laboratory CS

Laboratory CS is a public elementary school serving grades KG–08 in Philadelphia. It is one of 1 current school records connected to Laboratory CS. NCES reports 461 students for 2024–25.

Among 1,624 elementary schools in Pennsylvania with comparable records, this school is larger than the reported median of 416.5 students. Its enrollment is at approximately the 60th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 22:1, above the Pennsylvania median of 12.9:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are Black (93.3%) and Hispanic or Latino (4.8%). These figures help families understand who the school serves; they are not rating inputs.

Questions worth asking Laboratory CS

  1. 1How do the reported 22:1 student–teacher ratio and 21 teacher FTE translate into actual class sizes by grade?
  2. 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
  3. 3How many counselors, nurses, psychologists, and social workers currently serve students?
  4. 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
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Enrollment needs

Lunch program
Yes under Community Eligibility Option (CEO)

Student demographics

Race and ethnicity share of reported enrollment

  • White0.7%
  • Hispanic4.8%
  • Black93.3%
  • Asian0%
  • American Indian / Alaska Native0%
  • Native Hawaiian / Pacific Islander0.7%
  • Multiracial0.7%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.