John F Kennedy Elementary School
Public · Grades 3–5 · 416 students
St. Mary School
16 Harrison Ave, East Islip, NY 11730
Grades
K–8
Elementary
Students
331
Enrolled 2024–25
Students per teacher
15.8 : 1
Full-time teachers
District
Catholic School
Suffolk County
About St. Mary School
St. Mary School is an elementary school in East Islip, New York, serving grades K–8. The school is located in a large suburb in Suffolk County.
In the 2024–25 school year, 331 students were enrolled, with about 15.8 students for every full-time teacher. That ratio is larger than the typical New York elementary school (11.5 students per teacher). It is affiliated with the Roman Catholic tradition.
Grades
PKK123456789101112
Highlighted: grades offeredGrades K–8
Location & nearby schools
School details
- Type
- Catholic School · What this means
- Religious affiliation
- Roman Catholic
- Level
- Elementary
- Grades offered
- K–8
- Enrollment (2024–25)
- 331 students
- Students per teacher
- 15.8 to 1
- Locale
- Suburb — Large
- County
- Suffolk County
- NCES private school ID
- 00930604
Schools near St. Mary School
All 3 schools in East Islip →
Wing Elementary School
Public · Grades K–1 · 373 students
Maud S Sherwood Elementary School
Public · Grades 2–5 · 366 students
Timber Point Elementary School
Public · Grades Pre-K–2 · 370 students
Commack Road Elementary School
Public · Grades 2–5 · 422 students
Ruth C Kinney Elementary School
Public · Grades 3–5 · 314 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.