For the 2026-27 school year, there are 8 public schools serving 7,220 students in Central Islip, NY.
The top-ranked public schools in Central Islip, NY are Central Islip Senior High School, Francis J O'neill School and Marguerite L Mulvey School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Central Islip, NY public schools have an average math proficiency score of 33% (versus the New York public school average of 53%), and reading proficiency score of 31% (versus the 49% statewide average). Schools in Central Islip have an average ranking of 1/10, which is in the bottom 50% of New York public schools.
Minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public school average of 61% (majority Hispanic).
Best Public Schools in Central Islip, NY (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Central Islip Senior High School
(Math: 50% | Reading: 75-79%)
Rank:
Rank:
8/
Top 30%10
85 Wheeler Rd
Central Islip, NY 11722
(631) 348-5079
Central Islip, NY 11722
(631) 348-5079
Gr: 9-12 | 2,615 students Student-teacher ratio: 17:1 Minority enrollment: 98%
Rank: #22.
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 | 600 students Student-teacher ratio: 14:1 Minority enrollment: 98%
Rank: #33.
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 | 567 students Student-teacher ratio: 13:1 Minority enrollment: 99%
Rank: #44.
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 | 491 students Student-teacher ratio: 12:1 Minority enrollment: 98%
Rank: #55.
Ralph Reed School
(Math: 26% | Reading: 29%)
Rank:
Rank:
2/
Bottom 50%10
200 Half Mile Rd
Central Islip, NY 11722
(631) 348-5066
Central Islip, NY 11722
(631) 348-5066
Gr: 7-8 | 1,192 students Student-teacher ratio: 14:1 Minority enrollment: 97%
Rank: #66.
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 | 997 students Student-teacher ratio: 15:1 Minority enrollment: 98%
Rank: #77.
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 | 490 students Student-teacher ratio: 11:1 Minority enrollment: 99%
Rank: n/an/a
South Shore Charter School
Charter School
82 Carleton Ave
Central Islip, NY 11722
(631) 864-7000
Central Islip, NY 11722
(631) 864-7000
Gr: K-2 | 268 students Minority enrollment: 97%
Frequently Asked Questions
What are the top-ranked public schools in Central Islip, NY?
The top-ranked public schools in Central Islip, NY include Central Islip Senior High School, Francis J O'neill School and Marguerite L Mulvey School.
How many public schools are located in Central Islip?
8 public schools are located in Central Islip.
What is the racial composition of students in Central Islip?
Central Islip public schools minority enrollment is 98% of the student body (majority Hispanic), which is more than the New York public schools average of 61% (majority Hispanic).
Which public schools in Central Islip are often viewed compared to one another?
Popular comparisons of public schools in Central Islip include: Ralph Reed School vs. Charles A Mulligan Elementary School, Charles A Mulligan Elementary School vs. Ralph Reed School
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