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 6 public elementary schools serving 3,912 students in Central Islip Union Free School District. This district's average elementary testing ranking is 2/10, which is in the bottom 50% of public elementary schools in New York.
Public Elementary Schools in Central Islip Union Free School District have an average math proficiency score of 25% (versus the New York public elementary school average of 41%), and reading proficiency score of 29% (versus the 48% statewide average).
Minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public elementary school average of 61% (majority Hispanic).
Overview
This School District
This State (NY)
# Schools
8 Schools
3,702 Schools
# Students
7,677 Students
1,750,092 Students
# Teachers
535 Teachers
153,310 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 2021-2022 school year.
The school district's graduation rate of 86% has increased from 81% over five school years.
Overall District Rank
#913 out of 1020 school districts
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
29%
46%
Reading/Language Arts Test Scores (% Proficient)
31%
49%
Science Test Scores (% Proficient)
65%
78%
Graduation Rate
86%
87%
Students by Ethnicity:
Diversity Score
0.32
0.73
% American Indian
n/a
1%
% Asian
1%
10%
% Hispanic
82%
30%
% Black
13%
16%
% White
2%
39%
% Hawaiian
n/a
n/a
% Two or more races
2%
4%
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.
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 Elementary Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Francis J O'neill School
(Math: 36% | Reading: 41%)
Rank:
Rank:
4/
Bottom 50%10
44 E Cherry St
Central Islip, NY 11722
(631) 348-5060
Central Islip, NY 11722
(631) 348-5060
Grades: K-6
| 592 students
Rank: #22.
Marguerite L Mulvey School
(Math: 29% | Reading: 35%)
Rank:
Rank:
3/
Bottom 50%10
44 E Cherry St
Central Islip, NY 11722
(631) 348-5059
Central Islip, NY 11722
(631) 348-5059
Grades: K-6
| 532 students
Rank: #33.
Andrew T Morrow School
(Math: 31% | Reading: 32%)
Rank:
Rank:
3/
Bottom 50%10
299 Sycamore Ave
Islandia, NY 11749
(631) 348-5037
Islandia, NY 11749
(631) 348-5037
Grades: K-8
| 794 students
Rank: #44.
Anthony Alfano Elementary School
(Math: 26% | Reading: 27%)
Rank:
Rank:
2/
Bottom 50%10
50 Wheeler Rd
Central Islip, NY 11722
(631) 348-5139
Central Islip, NY 11722
(631) 348-5139
Grades: PK-6
| 497 students
Rank: #55.
Cordello Avenue Elementary School
(Math: 17% | Reading: 23%)
Rank:
Rank:
1/
Bottom 50%10
51 Cordello Ave
Central Islip, NY 11722
(631) 348-4189
Central Islip, NY 11722
(631) 348-4189
Grades: K-6
| 534 students
Rank: #66.
Charles A Mulligan Elementary School
(Math: 17% | Reading: 21%)
Rank:
Rank:
1/
Bottom 50%10
1 Broadway
Central Islip, NY 11722
(631) 348-5041
Central Islip, NY 11722
(631) 348-5041
Grades: K-6
| 963 students
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