SchoolDataLookup

Laboratory CS

Charter

Regular School · Philadelphia, PA

Laboratory CS is a charter regular school school in Philadelphia, Pennsylvania, serving grades KG–08 with 461 students enrolled (SY 2024-2025). The student-teacher ratio is 22:1.

Level
Elementary
Grades
KG – 08
Enrollment
461
Teachers (FTE)
21.0
Student–Teacher Ratio
22:1
Status
Open
Lunch Program Participation
Yes under Community Eligibility Option (CEO)

Student Demographics (SY 2024-2025)

Race / Ethnicity Students Share
Black or African American 430 93%
Hispanic/Latino 22 5%
White 3 1%
Two or more races 3 1%
Native Hawaiian / Pacific Islander 3 1%
Total enrollment 461 248M / 213F

English Language Learners: 13 (3% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric This School State Avg Tested
Math Proficiency 5.0% -32pp 37.0% 225
Reading Proficiency 30.0% -24.6pp 54.6% 213
Science Proficiency 40-49% 57

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Stanford Achievement Estimate

Pooled score across SY 2009–2022 (grades 3–8), expressed in grade levels relative to the national average. Positive = above average.

Overall (Math + ELA)
+0.32 grade levels
Math
-0.20 grade levels

Programs & Discipline

Gifted & Talented
None offered
Out-of-School Suspensions
0
Chronically Absent
130
28.2% of enrollment · SY 2019–20
Targeted Support School (TSI)

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category Students % of School
Total enrollment (est.) 461 100%

Contact & Location

Administrative Office 926 Sedgley Ave

Philadelphia, PA 19140

Phone: (267)817-4720

http://www.thelaboratorycharterschool.com/

District

Laboratory CS

Per-pupil expenditure: $18,098

District enrollment: 491

NCES ID

420004400406

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD