Complete school year calendar for Islip UFSD, Suffolk County. Includes all holidays, breaks, half days, and important dates from September 2025 through June 2026.
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | September 2, 2025 (Tue) | School Opens |
| Rosh Hashanah | Sep 23–24, 2025 (Tue–Wed) | No School |
| Yom Kippur | Oct 2, 2025 (Thu) | No School |
| Columbus Day | Oct 13, 2025 (Mon) | No School |
| Veterans Day | Nov 11, 2025 (Tue) | No School |
| Thanksgiving Recess | Nov 26–28, 2025 (Wed–Fri) | No School |
| Winter Recess | Dec 24, 2025 – Jan 2, 2026 | No School |
| MLK Day | Jan 19, 2026 (Mon) | No School |
| Mid-Winter Recess | Feb 16–20, 2026 (Mon–Fri) | No School |
| Spring Recess | Apr 2–10, 2026 (Thu–Fri) | No School |
| Memorial Day | May 25, 2026 (Mon) | No School |
| Juneteenth | Jun 19, 2026 (Fri) | No School |
| Last Day / Graduation | June 26, 2026 (Fri) | School Closes |
Complete month-by-month calendar from September 2025 to June 2026. Every day is color-coded so you can see school days, holidays, and breaks at a glance.
The Islip Union Free School District serves approximately 2,000 students in the hamlet of Islip, Suffolk County, on Long Island's South Shore.
Islip is a small, tight-knit community district known for its personal attention to students and strong community involvement. Home to the Islip Buccaneers, the district operates Commack Road and Wing Elementary Schools, Islip Middle School, and Islip High School. The village is a gateway to Fire Island via the Bay Shore ferry and has deep roots in Long Island maritime culture. The district has a unique snow day give-back policy — if unused emergency days remain, students get extra days off near Memorial Day. Compare with Bay Shore and Huntington.
The first day is Tuesday, September 2, 2025.
Winter Recess runs from December 24, 2025, through January 2, 2026.
Spring Recess is April 2–10, 2026.
Yes. Islip builds emergency closure days into the calendar. If no snow days are used, May 22 and May 26 become additional days off.
Islip High School graduation is scheduled for June 26, 2026, which is also the last day of school.
The last day is Friday, June 26, 2026.
Islip's teams are the Buccaneers, reflecting the hamlet's maritime heritage on the Great South Bay.
Data Source: This calendar is based on projected dates derived from historical Islip Union Free School District scheduling patterns.
Disclaimer: This website is not affiliated with, endorsed by, or connected to Islip Union Free School District or the New York State Education Department (NYSED). For the most current and official calendar, please visit www.islipufsd.org.
Dates are subject to change. Religious holiday dates are approximate and based on projected lunar calendar calculations.
Last updated: March 12, 2026