Central Islip Union Free School District Calendar 2026–2027
Central Islip, NY · 7 key dates. Add them all to your phone in one tap, or customize and print.
September 2026
Tue, Sep 8First Day
Mon, Sep 7Labor Day
November 2026
Nov 26 – Nov 27Thanksgiving Break
December 2026
Dec 24 – Jan 1Winter Break
January 2027
Mon, Jan 18MLK Jr. Day
April 2027
Apr 19 – Apr 23Spring Break
June 2027
Fri, Jun 25Last Day
These dates are compiled from the district's published calendar and may change. Always verify against the official Central Islip calendar.