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Central Islip Union Free School District

50 Wheeler Rd
Central Islip, NY 11722-9027
(District boundaries shown in map)
2/
10
Bottom 50%

Top Rankings

Central Islip Union Free School District ranks among the top 20% of public school district in New York for:

Category
Attribute
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 8 public schools serving 7,677 students in Central Islip Union Free School District. This district's average testing ranking is 1/10, which is in the bottom 50% of public schools in New York.
Public Schools in Central Islip Union Free School District have an average math proficiency score of 29% (versus the New York public school average of 47%), and reading proficiency score of 31% (versus the 49% statewide average).
Minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public school average of 60% (majority Hispanic).

Overview

This School District
This State (NY)
# Schools
8 Schools
4,819 Schools
# Students
7,677 Students
2,508,712 Students
# Teachers
535 Teachers
217,359 Teachers
Student : Teacher Ratio
14:1
14:1

Student By Grade

District Rank

Central Islip Union Free School District, which is ranked #921 of all 1,015 school districts in New York (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 80% has decreased from 85% over five school years.
This School District
State Average (NY)
#913 out of 1020 school districts
(Bottom 50%)
(22-23)
34%
52%
31%
49%
65%
78%
(22-23)
80%
87%

Students by Ethnicity:

0.32
0.72
% American Indian
n/a
1%
% Asian
1%
10%
% Hispanic
82%
30%
% Black
13%
16%
% White
2%
40%
% Hawaiian
n/a
n/a
% Two or more races
2%
3%
All Ethnic Groups

District Revenue and Spending

The revenue/student of $30,441 in this school district is less than the state median of $31,307. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $27,532 is less than the state median of $32,183. The school district spending/student has stayed relatively flat over four school years.
This School District
This State (NY)
Total Revenue
$234 MM
$78,541 MM
Spending
$211 MM
$80,737 MM
Revenue / Student
$30,441
$31,307
Spending / Student
$27,532
$32,183

Best Central Islip Union Free School District Public Schools (2025)

School
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Central Islip Senior High School
(Math: 70% | Reading: 75-79%)
Rank:
9/
10
Top 20%
85 Wheeler Rd
Central Islip, NY 11722
(631) 348-5079
Grades: 9-12
| 2,597 students
Rank: #22.
Francis J O'neill School
(Math: 36% | Reading: 41%)
Rank:
4/
10
Bottom 50%
44 E Cherry St
Central Islip, NY 11722
(631) 348-5060
Grades: K-6
| 592 students
Rank: #33.
Marguerite L Mulvey School
(Math: 29% | Reading: 35%)
Rank:
3/
10
Bottom 50%
44 E Cherry St
Central Islip, NY 11722
(631) 348-5059
Grades: K-6
| 532 students
Rank: #44.
Andrew T Morrow School
(Math: 31% | Reading: 32%)
Rank:
3/
10
Bottom 50%
299 Sycamore Ave
Islandia, NY 11749
(631) 348-5037
Grades: K-8
| 794 students
Rank: #55.
Anthony Alfano Elementary School
(Math: 26% | Reading: 27%)
Rank:
2/
10
Bottom 50%
50 Wheeler Rd
Central Islip, NY 11722
(631) 348-5139
Grades: PK-6
| 497 students
Rank: #66.
Ralph Reed School
(Math: 16% | Reading: 29%)
Rank:
2/
10
Bottom 50%
200 Half Mile Rd
Central Islip, NY 11722
(631) 348-5066
Grades: 7-8
| 1,168 students
Rank: #77.
Cordello Avenue Elementary School
(Math: 17% | Reading: 23%)
Rank:
1/
10
Bottom 50%
51 Cordello Ave
Central Islip, NY 11722
(631) 348-4189
Grades: K-6
| 534 students
Rank: #88.
Charles A Mulligan Elementary School
(Math: 17% | Reading: 21%)
Rank:
1/
10
Bottom 50%
1 Broadway
Central Islip, NY 11722
(631) 348-5041
Grades: K-6
| 963 students

Frequently Asked Questions

How many schools belong to Central Islip Union Free School District?
Central Islip Union Free School District manages 8 public schools serving 7,677 students.
What is the rank of Central Islip Union Free School District?
Central Islip Union Free School District is ranked #921 out of 1,015 school districts in New York (bottom 50%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of New York school districts for: Largest student body (number of students) (Top 1%)
What is the racial composition of students in Central Islip Union Free School District?
82% of Central Islip Union Free School District students are Hispanic, 13% of students are Black, 2% of students are White, 2% of students are Two or more races, and 1% of students are Asian.
What is the student/teacher ratio of Central Islip Union Free School District?
Central Islip Union Free School District has a student/teacher ratio of 14:1, which is higher than the New York state average of 11:1.
What is Central Islip Union Free School District's spending/student ratio?
The school district's spending/student of $27,532 is less than the state median of $32,183. The school district spending/student has stayed relatively flat over four school years.

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Quick Stats (2025)

  • District size: 8 schools
  • Grades: PK-12
  • Enrollment: 7,677 students
  • Student:Teacher Ratio: 14:1
  • Minority Enrollment: 98%
  • : 80% (Btm 50% in NY)
  • : Bottom 50%
  • : 34% (Btm 50%)
  • : 31% (Btm 50%)
  • : 65% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

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