Complete school year calendar for Islip UFSD, Suffolk County. Includes all holidays, breaks, half days, and important dates from September 2026 through June 2027.
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | September 1, 2026 (Tue) | School Opens |
| Labor Day | September 7, 2026 (Mon) | No School |
| Yom Kippur | September 21, 2026 (Mon) | No School |
| Columbus Day | October 12, 2026 (Mon) | No School |
| Election Day | November 3, 2026 (Tue) | Supt. Conf. Day |
| Veterans Day | November 11, 2026 (Wed) | No School |
| Thanksgiving Recess | November 25–27, 2026 (Wed–Fri) | No School |
| Winter Recess | Dec 23, 2026 – Jan 1, 2027 | No School |
| MLK Day | January 18, 2027 (Mon) | No School |
| Mid-Winter Recess | February 15–19, 2027 | No School |
| Eid al-Fitr | March 9, 2027 (Tue) | Supt. Conf. Day |
| Spring Recess (Easter) | March 25–29, 2027 | No School |
| Spring Recess (Passover) | April 19–23, 2027 | No School |
| Eid al-Adha | May 17, 2027 (Mon) | Supt. Conf. Day |
| Memorial Day Weekend | May 28 – Jun 1, 2027 | No School |
| Juneteenth (Observed) | June 18, 2027 (Fri) | No School |
| Last Day of School | June 25, 2027 (Fri) | School Closes |
Complete month-by-month calendar from September 2026 to June 2027. Every day is color-coded so you can see school days, holidays, and breaks at a glance.
The Islip Public Schools system directs the 2026-2027 academic operations for approximately 2,800 South Shore students. Its calendar is a vital resource for navigating the academic year in this deeply established coastal community.
The Islip calendar strikes a careful balance between high-level testing preparation and necessary weather contingencies. Coastal squalls frequently impact early morning transportation, making the district's built-in emergency closures and clear make-up day protocols essential for working parents. Families eagerly monitor this schedule for the distinct Mid-Winter and Spring breaks.
For easy reference, use the button at the top of this page to download a free, color-coded printable Islip school calendar for your fridge or desk.
Data Source: Official Islip Union Free School District calendar publication.
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.
Official calendars can still change. Always confirm updates with the district before making plans.
Last updated: March 17, 2026