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Charter schoolElementaryGrades K–8Charter

Laboratory CS

🇺🇸 Official data · 2025Philadelphia, Pennsylvania 19140 · Laboratory CS

40.9/ 100
Success Index (US)
Lower 50%

#1152 of 1,627 elementary schools in Pennsylvania
#31323 of 50,301 nationally

How is this calculated?
Students
461
Enrollment
461
Source: NCES CCD
Free/reduced-price lunch
39.3%
Source: NCES CCD
Students per teacher
22.0
Source: NCES CCD

About Laboratory CS

Laboratory CS is a charter elementary located in Philadelphia, in the Laboratory CS school district of Pennsylvania, United States. It caters for Grades K–8. In 2025 it enrolled 461 students. Publicly funded charter schools operating under a performance contract; free to attend.

Its Success Index (US) is 40.9 out of 100, placing it in the lower 50% of elementary schools in United States and 1152nd of 1,627 ranked elementary schools in Pennsylvania. Its strongest component is community advantage (fewer free/reduced-price lunch) (73th percentile), and its weakest is students per teacher (9th percentile).

Other published figures: enrollment 461.

There are 292 schools in Philadelphia; Laboratory CS ranks 37th of 275 scored schools there.

Success Index (US) breakdown

Each component is a percentile against elementary schools across United States.

  • Math proficiency (30%)23%
  • Reading proficiency (30%)53%
  • Community advantage (fewer free/reduced-price lunch) (25%)39.3%
  • Students per teacher (15%)22.0

The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.

Published measures

All figures published for Laboratory CS by the official sources.

Enrollment
461
Students enrolled in the latest NCES directory year.
Free/reduced-price lunch
39.3%
Share of students eligible for free or reduced-price lunch.
Students per teacher
22.0
Enrollment divided by FTE teachers; not class size.
Reading proficiency
53%
Share of tested students proficient or above (all students, all grades).
Math proficiency
23%
Share of tested students proficient or above (all students, all grades).

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Schools near Laboratory CS

Closest schools by straight-line distance, with their Success Index (US).

Similar schools

Charter elementary schools in Pennsylvania with a comparable Enrollment.

Frequently asked questions

Is Laboratory CS a good school?

Laboratory CS has a Success Index (US) of 40.9 out of 100 (Lower 50% of elementary schools in United States) and ranks #1152 of 1,627 in Pennsylvania. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.

Where does Laboratory CS rank in Pennsylvania?

Laboratory CS ranks #1152 of 1,627 elementary schools in Pennsylvania and #31323 of 50,301 nationally on the Success Index (US) (2025 data).

How many students attend Laboratory CS?

Laboratory CS had 461 students in 2025.

Is Laboratory CS a elementary school or a high school?

Laboratory CS is classified as a elementary covering Grades K–8. It is a charter school.

What other schools are near Laboratory CS?

There are 10 schools within 15 km of Laboratory CS; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.