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For the 2025-26 school year, there are 8 public schools serving 6,883 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 52%), 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 60% (majority Hispanic).