Mastery CS John Wister Elementary
Charter · Grades K–5 · 506 students
Clarke Pennsylvania Inc
2 Penn Blvd Ste 220, Philadelphia, PA 19144
Grades
Pre-K–5
Elementary
Students
25
Enrolled 2024–25
Students per teacher
3.6 : 1
Full-time teachers
District
Private Special Education School
Philadelphia County
About Clarke Pennsylvania Inc
Clarke Pennsylvania Inc is an elementary school in Philadelphia, Pennsylvania, serving grades Pre-K–5. The school is located in a large city in Philadelphia County.
In the 2024–25 school year, 25 students were enrolled, with about 3.6 students for every full-time teacher. That ratio is smaller than the typical Pennsylvania elementary school (12.8 students per teacher).
Grades
PKK123456789101112
Highlighted: grades offeredGrades Pre-K–5
Location & nearby schools
School details
- Type
- Private Special Education School · What this means
- Category
- Special education
- Level
- Elementary
- Grades offered
- Pre-K–5
- Enrollment (2024–25)
- 25 students
- Students per teacher
- 3.6 to 1
- Locale
- City — Large
- County
- Philadelphia County
- NCES private school ID
- A2103118
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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.