St. Margaret of Cortona School
Private · Grades K–8 · 299 students
PS 81 Robert J Christen
5550 Riverdale Ave, Bronx, NY 10471
Grades
K–5
Elementary
Students
715
Enrolled 2024–25
Students per teacher
14.5 : 1
Full-time teachers
District
New York City Geographic District #10
Bronx County
Schola Grade A · Excellent
Letter grade (A–F) · compared with 2,327 New York elementary schools · How we grade
Percentiles compare this school with other New York 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 PS 81 Robert J Christen
PS 81 Robert J Christen is a public elementary school in Bronx, New York, serving grades K–5. It is part of New York City Geographic District #10. The school is located in a large city in Bronx County.
In the 2024–25 school year, 715 students were enrolled, with about 14.5 students for every full-time teacher. That ratio is larger than the typical New York elementary school (11.5 students per teacher). Its Schola Grade is A (excellent), compared with 2,327 New York elementary schools.
Grades & enrollment
Students per grade, 2024–25Grades K–5
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Elementary
- Grades offered
- K–5
- Enrollment (2024–25)
- 715 students
- Students per teacher
- 14.5 to 1
- Charter school
- No
- Locale
- City — Large
- School district
- New York City Geographic District #10
- County
- Bronx County
- NCES school ID
- 360008702318
Schools near PS 81 Robert J Christen
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PS 24 Spuyten Duyvil
Public · Grades K–5 · 742 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.