Francis J O'Neill School
Public · Grades K–6 · 600 students
Charles a Mulligan Elementary School
1 Broadway, Central Islip, NY 11722
Grades
K–6
Elementary
Students
997
Enrolled 2024–25
Students per teacher
14.9 : 1
Full-time teachers
District
Central Islip Union Free School District
Suffolk County
Schola Grade D · Below average
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 Charles a Mulligan Elementary School
Charles a Mulligan Elementary School is a public elementary school in Central Islip, New York, serving grades K–6. It is part of Central Islip Union Free School District. The school is located in a large suburb in Suffolk County.
In the 2024–25 school year, 997 students were enrolled, with about 14.9 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 D (below average), compared with 2,327 New York elementary schools.
Grades & enrollment
Students per grade, 2024–25Grades K–6
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Elementary
- Grades offered
- K–6
- Enrollment (2024–25)
- 997 students
- Students per teacher
- 14.9 to 1
- Charter school
- No
- Magnet school
- No
- Locale
- Suburb — Large
- School district
- Central Islip Union Free School District
- County
- Suffolk County
- NCES school ID
- 360687000474
Schools near Charles a Mulligan Elementary School
All 8 schools in Central Islip →
South Shore Charter School
Charter · Grades K–2 · 268 students
Anthony Alfano Elementary School
Public · Grades Pre-K–6 · 491 students
Cordello Avenue Elementary School
Public · Grades K–6 · 490 students
Marguerite L Mulvey School
Public · Grades K–6 · 567 students
Andrew T Morrow School
Public · Grades K–6 · 821 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.