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SCHOOL COMMUNITY·CENTRAL ISLIP UNION FREE SCHOOL DISTRICT·NCES 360687000474

CHARLES A MULLIGAN ELEMENTARY SCHOOL

1 BROADWAY, CENTRAL ISLIP, NY 11722 · (631) 348-5041 · Suffolk County
GRADES KG–06ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL997 STUDENTS
D
allk12 Grade
Scored higher than 9% of New York public elementary schools
  • DTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • DBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public elementary schools

Enrollment
997
Elementary
DISTRICT 661 · STATE 443
Student : Teacher
14.9:1
67 FTE teachers
DISTRICT 13.0:1 · STATE 12.8:1
Free / Reduced Lunch
71%
712 students
DISTRICT 67% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten15015%
Grade 114915%
Grade 213714%
Grade 315115%
Grade 414915%
Grade 513413%
Grade 612713%

This year's kindergarten class (150) is 18% larger than its 6th grade class (127).

Student demographics
30%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 32% · STATE 72% · US 70%
White
192%
DISTRICT 2% · STATE 39% · US 43%
Hispanic
82883%
DISTRICT 82% · STATE 31% · US 30%
Black
909%
DISTRICT 13% · STATE 16% · US 15%
Asian
202%
DISTRICT 1% · STATE 10% · US 6%
Two+
384%
DISTRICT 2% · STATE 4% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
48449%
Female
51351%

School pathway

Students here typically continue to
CHARLES A MULLIGAN ELEMENTARY SCHOOL→RALPH REED SCHOOL→CENTRAL ISLIP SENIOR HIGH SCHOOL
Based on grade levels within CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
32.0%
NY avg 58.3% . +14.0pp since 2023
Math
36.0%
NY avg 57.4% . +5.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 32 of every 100 students at this school read and write at grade level and about 36 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 14 points since 2023, while math scores are up about 5 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2532.0%36.0%
2023-2418.0%31.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of NY schools after controlling for student poverty
Actual proficiency
28.5%
composite math + reading, all grades
Predicted
48.7%
based on NY schools with similar FRL share
Beats by
-20.2pp
below demographic expectation

What this means: About 29% of students here test proficient in math and reading, below the roughly 49% typical for New York schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like CHARLES A MULLIGAN ELEMENTARY SCHOOL

CHARLES A MULLIGAN ELEMENTARY SCHOOL's state test result (28.5% proficient) is higher than 0 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
CHARLES A MULLIGAN ELEMENTARY SCHOOL this school99771.4%28.5%
ANDREW T MORROW SCHOOL
ISLANDIA
82172.5%32.2%
SOUTHWEST ELEMENTARY SCHOOL
BAY SHORE
97576.6%30.6%
ENRICO FERMI SCHOOL FOR THE PERFORMING ARTS
YONKERS
85777.5%32.4%
ROBERT C DODSON SCHOOL
YONKERS
72075.6%42.0%
ZETA CHARTER SCHOOL - INWOOD
NEW YORK
82480.9%87.4%
Matched among New York elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where CHARLES A MULLIGAN ELEMENTARY SCHOOL ranks

Among elementary schools
MeasureThis schoolIn New YorkIn Suffolk County
State test proficiency
ranked highest first
28.5%#2,064 of 2,335#157 of 168
Math proficiency
ranked highest first
36.0%#1,963 of 2,342
▲ 14
#153 of 169
no change
Reading proficiency
ranked highest first
32.0%#2,070 of 2,343
▲ 138
#157 of 169
▲ 8
Enrollment
ranked largest first
997#45 of 2,585#1 of 209
Students per teacher
ranked fewest first
14.9:1#2,016 of 2,338#178 of 196
Diversity index
ranked most diverse first
30.0%#1,882 of 2,388#175 of 197
Free and reduced lunch
ranked highest share first
71.4%#957 of 2,534#18 of 200
Enrollment change since 2017-18
ranked fastest growth first
+25.3%#100 of 606#4 of 57
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
997
+28 (+3%) vs 2020
+5% since 1990-91, when it was 948
Student : Teacher
14.9:1
was 17.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-259976714.9:171% (712)
2023-2496366.314.5:178% (749)
2022-2398165.515.0:181% (790)
2020-219695417.9:174% (714)
2017-187965714.0:182% (656)
2015-167765613.9:173% (569)
2010-119616814.1:168% (649)
2000-018255415.3:168% (563)
1990-919485417.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for CHARLES A MULLIGAN ELEMENTARY SCHOOL.

About CHARLES A MULLIGAN ELEMENTARY SCHOOL

CHARLES A MULLIGAN ELEMENTARY SCHOOL is a large elementary school in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT, located in CENTRAL ISLIP, New York. The latest federal count shows 997 students in kindergarten through 6. Against the 443-student average for elementary schools in New York, enrollment here is 125% higher.

CENTRAL ISLIP UNION FREE SCHOOL DISTRICT has 8 schools; together they serve 7,773 students.

At CHARLES A MULLIGAN ELEMENTARY SCHOOL, Hispanic students make up 83% of the student body. It is also 9% Black, 4% multiracial, and 2% Asian. Suffolk County's residents are about 23% Hispanic, 60 points below the school's share. By the diversity index, CHARLES A MULLIGAN ELEMENTARY SCHOOL comes in at 30%.

Federal data list 67 full-time-equivalent teachers at CHARLES A MULLIGAN ELEMENTARY SCHOOL in 2024-25, for a ratio of 14.9:1. The average ratio among elementary schools in New York is 12.8:1, lower than at this school. The school's rate of free or reduced-price lunch eligibility is 71%. It compares with 39% for public schools in Suffolk County.

CHARLES A MULLIGAN ELEMENTARY SCHOOL is graded D by allk12, scoring above 9% of New York public elementary schools once test results, poverty-adjusted performance, and the recent trend are combined.

Test results at CHARLES A MULLIGAN ELEMENTARY SCHOOL are 20.2 points below what its student poverty level predicts. The average proficiency rate on state tests is 28.5%, compared with a predicted 48.7%, which ranks in the bottom 10% in New York.

County data help place the school in context: in Suffolk County, median household income is about $130,686, the share of adults with a bachelor's degree or higher is 40%, and roughly 4% of residents are in poverty. CHARLES A MULLIGAN ELEMENTARY SCHOOL is among the 343 public schools in Suffolk County.

The next-closest public school is RALPH REED SCHOOL, about 0.3 miles away. There are at least 8 more public schools inside five miles. CHARLES A MULLIGAN ELEMENTARY SCHOOL ranks 8th of 8 among nearby schools on average proficiency, with 28.5% against a local average of 34.7%.

The school's locale code, Suburb: Large, means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

The number of students grew from 969 to 997 over 4 years. Students per teacher fell from 17.9 in 2020-21 to 14.9 in 2024-25.

Posts about school safety, transportation, and start times are welcome on this page. Questions from prospective families are welcome too.

Suffolk County at a glance

View full county profile
Population
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students

Quick facts

School name
CHARLES A MULLIGAN ELEMENTARY SCHOOL
District
CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Address
1 BROADWAY, CENTRAL ISLIP, NY 11722
Phone
(631) 348-5041
County
Suffolk County
Level
Elementary
Grade range
KG–06
Total enrollment
997
Teachers (FTE)
67
Student–teacher ratio
14.9:1
Free and reduced lunch
712 (71%)
Locale
21-Suburb: Large
NCES ID
360687000474
Charter school
No
Virtual school
No

Related schools

Other schools in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT
Other schools in CENTRAL ISLIP
Nearby schools

Frequently asked questions

About CHARLES A MULLIGAN ELEMENTARY SCHOOL
How many students attend CHARLES A MULLIGAN ELEMENTARY SCHOOL?
CHARLES A MULLIGAN ELEMENTARY SCHOOL enrolls approximately 997 students in grades KG-06.
What grades does CHARLES A MULLIGAN ELEMENTARY SCHOOL serve?
CHARLES A MULLIGAN ELEMENTARY SCHOOL serves grades KG-06.
What is the student-teacher ratio at CHARLES A MULLIGAN ELEMENTARY SCHOOL?
The student-to-teacher ratio at CHARLES A MULLIGAN ELEMENTARY SCHOOL is approximately 14.9:1 (67 FTE teachers).
What is the racial breakdown of students at CHARLES A MULLIGAN ELEMENTARY SCHOOL?
At CHARLES A MULLIGAN ELEMENTARY SCHOOL, the student body is approximately 2% White, 83% Hispanic, 9% Black, 2% Asian, 4% Two or more.
Is CHARLES A MULLIGAN ELEMENTARY SCHOOL public or private?
CHARLES A MULLIGAN ELEMENTARY SCHOOL is a public K-12 school, overseen by CENTRAL ISLIP UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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