CENTRAL ISLIP UNION FREE SCHOOL DISTRICT — District Profile & Schools

Key Dates — CENTRAL ISLIP UNION FREE SCHOOL DISTRICT School Calendar

The first day of school in CENTRAL ISLIP UNION FREE SCHOOL DISTRICT is Tue, Sep 1, 2026, and the last day of school is Fri, Jun 25, 2027, according to the district's published calendar. Scheduled breaks include Thanksgiving Recess — No School (Wed, Nov 25, 2026 to Fri, Nov 27, 2026), Winter Recess — No School (Wed, Dec 23, 2026 to Fri, Jan 1, 2027), Mid-Winter Recess — No School (Mon, Feb 15, 2027 to Fri, Feb 19, 2027), Easter Recess — No School (Thu, Mar 25, 2027 to Mon, Mar 29, 2027), Spring Recess — No School (Mon, Apr 19, 2027 to Fri, Apr 23, 2027).

First day of school

Tue, Sep 1, 2026

Last day of school

Fri, Jun 25, 2027

Thanksgiving Recess — No School

Wed, Nov 25, 2026 to Fri, Nov 27, 2026

Winter Recess — No School

Wed, Dec 23, 2026 to Fri, Jan 1, 2027

Mid-Winter Recess — No School

Mon, Feb 15, 2027 to Fri, Feb 19, 2027

Easter Recess — No School

Thu, Mar 25, 2027 to Mon, Mar 29, 2027

Spring Recess — No School

Mon, Apr 19, 2027 to Fri, Apr 23, 2027

Labor Day Weekend — No School

Fri, Sep 4, 2026 to Mon, Sep 7, 2026

Yom Kippur — No School

Mon, Sep 21, 2026

Columbus Day / Indigenous Peoples' Day — No School

Mon, Oct 12, 2026

Veterans Day — No School

Wed, Nov 11, 2026

Martin Luther King Day — No School

Mon, Jan 18, 2027

Memorial Day — No School

Mon, May 31, 2027