For the 2025-26 school year, there are 6 public elementary schools serving 3,118 students in Central Islip, NY.
The top-ranked public elementary schools in Central Islip, NY are Francis J O'neill School, Marguerite L Mulvey School and Anthony Alfano Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Central Islip, NY public elementary schools have an average math proficiency score of 35% (versus the New York public elementary school average of 52%), and reading proficiency score of 29% (versus the 48% statewide average). Elementary schools in Central Islip have an average ranking of 2/10, which is in the bottom 50% of New York public elementary schools.
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).
Best Public Elementary Schools in Central Islip, NY (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Francis J O'neill School
(Math: 44% | 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
Gr: K-6 | 592 students Student-teacher ratio: 13:1 Minority enrollment: 98%
Rank: #22.
Marguerite L Mulvey School
(Math: 35% | 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
Gr: K-6 | 532 students Student-teacher ratio: 13:1 Minority enrollment: 99%
Rank: #33.
Anthony Alfano Elementary School
(Math: 40% | Reading: 27%)
Rank:
Rank:
3/
Bottom 50%10
50 Wheeler Rd
Central Islip, NY 11722
(631) 348-5139
Central Islip, NY 11722
(631) 348-5139
Gr: PK-6 | 497 students Student-teacher ratio: 13:1 Minority enrollment: 97%
Rank: #44.
Charles A Mulligan Elementary School
(Math: 33% | Reading: 21%)
Rank:
Rank:
2/
Bottom 50%10
1 Broadway
Central Islip, NY 11722
(631) 348-5041
Central Islip, NY 11722
(631) 348-5041
Gr: K-6 | 963 students Student-teacher ratio: 15:1 Minority enrollment: 98%
Rank: #55.
Cordello Avenue Elementary School
(Math: 27% | 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
Gr: K-6 | 534 students Student-teacher ratio: 12:1 Minority enrollment: 99%
Rank: n/an/a
South Shore Charter School
Charter School
25 Church St
Central Islip, NY 11722
(631) 864-7000
Central Islip, NY 11722
(631) 864-7000
Gr: K-1
Frequently Asked Questions
What are the top-ranked public elementary schools in Central Islip, NY?
The top-ranked public elementary schools in Central Islip, NY include Francis J O'neill School, Marguerite L Mulvey School and Anthony Alfano Elementary School.
How many public elementary schools are located in Central Islip?
6 public elementary schools are located in Central Islip.
What is the racial composition of students in Central Islip?
Central Islip public elementary schools minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public elementary schools average of 61% (majority Hispanic).
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