School overview
At a glance
Reported students
997
NCES CCD 2024–25, where reported
Teachers (FTE)
67.03
NCES CCD 2024–25
Student–teacher ratio
14.9:1
Calculated, not a class-size measure
Grades served
KG–06
NCES preliminary directory 2025–26
School benchmarks
New York elementary enrollment
98th percentile
Compared with 2,546 same-level schools reporting enrollment.
District median enrollment
710.5
CHARLES A MULLIGAN ELEMENTARY SCHOOL: 997 reported students.
State peer staffing position
87th percentile
14.9:1 reported; state peer median 11.7:1. Ratio is not class size.
Profile interpretation
What the reported data says about CHARLES A MULLIGAN ELEMENTARY SCHOOL
CHARLES A MULLIGAN ELEMENTARY SCHOOL is a public elementary school serving grades KG–06 in CENTRAL ISLIP. It is one of 8 current school records connected to CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. NCES reports 997 students for 2024–25.
Among 2,546 elementary schools in New York with comparable records, this school is larger than the reported median of 416 students. Its enrollment is at approximately the 98th percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 14.9:1, above the New York median of 11.7:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The two largest reported race and ethnicity groups are Hispanic or Latino (83%) and Black (9%). English learners represent 45.4% of enrollment. Students served under IDEA represent 10.8%. These figures help families understand who the school serves; they are not rating inputs.
Turn data into a school visit
Questions worth asking CHARLES A MULLIGAN ELEMENTARY SCHOOL
- 1How do the reported 14.9:1 student–teacher ratio and 67.03 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3How are the school's 0 counselor FTE allocated across grades and student needs?
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Student context
Enrollment needs
- English learners
- 45.4%
- Students with disabilities
- 10.8%
- Free/reduced-price lunch
- 71.4%
- Lunch program
- Yes under Community Eligibility Option (CEO)
People available to students
Support staff
- Counselors (FTE)
- 0
- Nurses (FTE)
- 2
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 1
Student demographics
Race and ethnicity share of reported enrollment
- White1.9%
- Hispanic83%
- Black9%
- Asian2%
- American Indian / Alaska Native0.1%
- Native Hawaiian / Pacific Islander0.1%
- Multiracial3.8%
Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.
Learning opportunities
Programs reported by the school
Advanced Placement
Not reported
Gifted and talented
Not reported as offered
Computer science
Not reported
Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.
Continue exploring
Other schools in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Start with campuses at the same school level or with similar reported enrollment.
ANDREW T MORROW SCHOOL
Elementary · Grades KG–06
821 reported students
FRANCIS J O'NEILL SCHOOL
Elementary · Grades KG–06
600 reported students
MARGUERITE L MULVEY SCHOOL
Elementary · Grades KG–06
567 reported students
ANTHONY ALFANO ELEMENTARY SCHOOL
Elementary · Grades PK–06
491 reported students
CORDELLO AVENUE ELEMENTARY SCHOOL
Elementary · Grades KG–06
490 reported students
RALPH REED SCHOOL
Middle · Grades 07–08
1,192 reported students