Best public schools in Central Islip, NY

8 public schools in Central Islip: 6 elementary · 1 middle · 1 high. Ranked by our score, based on 2024-25 state test results.

Hide charter schools Hide schools without a score (no published results, or results too limited to score)

Rankings renumber to share equal ranks and fill gaps when schools are hidden. Scores compare each school with schools of the same type across New York.

Elementary schools

6 schools in Central Islip, best first

FRANCIS J O'NEILL SCHOOL 23.1

Central Islip Union Free School District · Grades K-6 · 592 students

ELA 43%Math 44%Science 24%

#1,570 of 2,042 in New York

CORDELLO AVENUE ELEMENTARY SCHOOL 14.5

Central Islip Union Free School District · Grades K-6 · 534 students

ELA 39%Math 36%Science 22%

#1,746 of 2,042 in New York

CHARLES A MULLIGAN ELEMENTARY SCHOOL 12.3

Central Islip Union Free School District · Grades K-6 · 963 students

ELA 32%Math 36%Science 28%

#1,791 of 2,042 in New York

MARGUERITE L MULVEY SCHOOL 12.1

Central Islip Union Free School District · Grades K-6 · 532 students

ELA 35%Math 34%Science 27%

#1,795 of 2,042 in New York

ANTHONY ALFANO ELEMENTARY SCHOOL 8.5

Central Islip Union Free School District · Grades PK-6 · 497 students

ELA 27%Math 32%Science 26%

#1,868 of 2,042 in New York

SOUTH SHORE CHARTER SCHOOL —

South Shore Charter School · Grades K-2 · Charter · 0 students

No published test results

Middle schools

1 school in Central Islip

RALPH REED SCHOOL 7.9

Central Islip Union Free School District · Grades 7-8 · 1,168 students

ELA 24%Math 33%Science 46%

#669 of 726 in New York

High schools

1 school in Central Islip

CENTRAL ISLIP SENIOR HIGH SCHOOL 29.4

Central Islip Union Free School District · Grades 9-12 · 2,597 students

ELA 60%Math 37%Science 54%

#674 of 954 in New York

School districts serving Central Islip

Central Islip Union Free School District 8

Nearby cities and towns