Disston Hamilton Sch
Public · Grades K–8 · 737 students
Keystone Academy CS
4521 Longshore Avenue, Philadelphia, PA 19135
Grades
K–8
Elementary
Students
642
Enrolled 2024–25
Students per teacher
15.3 : 1
Full-time teachers
District
Keystone Academy CS
Philadelphia County
Schola Grade C · Average
Letter grade (A–F) · compared with 1,511 Pennsylvania elementary schools · How we grade
Percentiles compare this school with other Pennsylvania elementary schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Keystone Academy CS
Keystone Academy CS is a charter elementary school in Philadelphia, Pennsylvania, serving grades K–8. The school is located in a large city in Philadelphia County.
In the 2024–25 school year, 642 students were enrolled, with about 15.3 students for every full-time teacher. That ratio is larger than the typical Pennsylvania elementary school (12.8 students per teacher). As a charter school, it is publicly funded and tuition-free, but operates independently of the local district under a charter from Philadelphia City SD. Its Schola Grade is C (average), compared with 1,511 Pennsylvania elementary schools.
Grades & enrollment
Students per grade, 2024–25Grades K–8
Location & nearby schools
School details
- Type
- Charter School · What this means
- Level
- Elementary
- Grades offered
- K–8
- Enrollment (2024–25)
- 642 students
- Students per teacher
- 15.3 to 1
- Charter school
- Yes
- Charter authorizer
- Philadelphia City SD
- Magnet school
- No
- Locale
- City — Large
- School district
- Keystone Academy CS
- County
- Philadelphia County
- NCES school ID
- 420076206103
Schools near Keystone Academy CS
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Public · Grades K–8 · 1,763 students
Lawton Henry W Sch
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Allen Ethan Sch
Public · Grades K–8 · 957 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.