- Enrollment
- 2,615
- Students per teacher
- 17.8:1
- Resource Index
- 41/100
Elementary school (grades K-5) · Central Islip, NY
Charles a Mulligan Elementary School
Federal NCES profile for Charles a Mulligan Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 23/100.
2024-25 NCES dataElementary school (grades K-5)NCES 360687000474
👥 S:T ratio 39
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Charles a Mulligan Elementary School earns 23/100 on the Resource Investment Index, with class sizes larger than 88% of New York schools.
- #4 of 4
- elementary schools in Central Islip · Resource Index
- 23
- Resource Index · Lower
- 15.3:1
- large classes for New York
- 74.7%
- free-lunch eligible
Charles a Mulligan Elementary School has class sizes larger than 88% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Charles a Mulligan Elementary School ranks #4 of 4 elementary schools in Central Islip, NY.
School address
District: Central Islip Union Free School District · New York
NCES ID 360687000474 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-18 students YoY
Charles a Mulligan Elementary School held near 963 students from 2022-23 to 2023-24 (-18 headcount).
Teacher FTE added 65.5 → 66.3 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-18 students YoY 360687000474 · Central Islip, NY Elementary · MID · TRAD
997 enr · 15.3:1 · 74.7% lunch · RII 23
Nearest enrollment peer: Central Islip Senior High School (2,615 students)
Charles a Mulligan Elementary School held near 963 students from 2022-23 to 2023-24 (-18 headcount). Teacher FTE added 65.5 → 66.3 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Charles a Mulligan Elementary School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Central Islip
Central Islip Senior High School
2,615 students
- Ralph Reed Sch
Ralph Reed School
1,192 students
- This school 997
Charles a Mulligan Elementary School
997 students
- Andrew T Morro 821
Andrew T Morrow School
821 students
- Francis J O'ne 600
Francis J O'neill School
600 students
- Marguerite L M 567
Marguerite L Mulvey School
567 students
What this shows Charles a Mulligan Elementary School reports 997 students on the CCD universe file.
How Charles a Mulligan Elementary School compares
Charles a Mulligan Elementary School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.3:1 | ▲ 30% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 74.7% | ▲ 33% | 56.2% | 51.7% |
| Enrollment | 997 | top 8% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
997
Bigger than 91% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
74.7%
free-lunch eligible
- 33% above the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.3:1
students per teacher
- 30% above state mean
Top 88% in New York - lower ratio than 12% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
45.6%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$29,660
per pupil, district-wide
- above New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 21 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 2.2 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 83.0%
African American 9.0%
Two or More 3.8%
Asian 2.0%
White 1.9%
American Indian / Alaska Native 0.1%
Native Hawaiian / Pacific Islander 0.1%
Largest group: Hispanic or Latino at 83.0% of enrollment.
Student-body diversity index 30.1/100
Simpson diversity index - at 30.1, Charles a Mulligan Elementary School is less mixed than the New York school average of 45.5.
Programs
District finance for Central Islip Union Free School District reports $29,660 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Charles a Mulligan Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Islip Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Ralph Reed School | Similar size | Similar economic need | Similar S:T ratio |
| Andrew T Morrow School | Similar size | Similar economic need | Similar S:T ratio |
| Francis J O'neill School | Smaller | Similar economic need | Similar S:T ratio |
| Marguerite L Mulvey School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Charles a Mulligan Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,192
- Students per teacher
- 14.5:1
- Resource Index
- 23/100
- Enrollment
- 821
- Students per teacher
- 13.9:1
- Resource Index
- 25/100
- Enrollment
- 600
- Students per teacher
- 14.3:1
- Resource Index
- 25/100
- Enrollment
- 567
- Students per teacher
- 14.5:1
- Resource Index
- 24/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~997 students)
Frequently asked questions about Charles a Mulligan Elementary School
How many students attend Charles a Mulligan Elementary School?
Charles a Mulligan Elementary School has 997 students enrolled. It is an elementary school in Central Islip, NY. CCD year-over-year: 981 (2022-23) → 963 (2023-24), nearly flat (-18).
What is the student-teacher ratio at Charles a Mulligan Elementary School?
The student-teacher ratio at Charles a Mulligan Elementary School is 15.3:1, which is 30% higher than the New York average of 11.8:1 and 3% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Charles a Mulligan Elementary School?
74.7% of students at Charles a Mulligan Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Charles a Mulligan Elementary School?
The largest demographic group at Charles a Mulligan Elementary School is Hispanic or Latino at 83.0% of enrollment, in Central Islip, NY.
What is the Resource Investment Index for Charles a Mulligan Elementary School?
Charles a Mulligan Elementary School has a Resource Investment Index of 23/100 (lower reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Charles a Mulligan Elementary School rank among elementary schools in Central Islip?
By Resource Investment Index, Charles a Mulligan Elementary School ranks #4 of 4 elementary schools in Central Islip, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Central Islip on the city page.
What other schools are in Central Islip Union Free School District?
Besides Charles a Mulligan Elementary School, Central Islip Union Free School District also operates Central Islip Senior High School (2,615 students), Ralph Reed School (1,192 students), and Andrew T Morrow School (821 students). See the Central Islip Union Free School District district page for the complete list.