Complete school year calendar for the Smithtown CSD — one of the largest school districts on Long Island with over 9,000 students. Includes all holidays, breaks, half days, and important dates from September 2025 through June 2026.
| Event | Date(s) | Status |
|---|---|---|
| Supt Conf Days - No Students | August 31-September 1, 2026 (Mon-Tue) | Staff Only |
| First Day of School | September 2, 2025 (Tue) | School Opens |
| Labor Day | September 1, 2025 (Mon) | No School |
| Rosh Hashanah | September 23–24, 2025 (Tue–Wed) | No School |
| Yom Kippur | October 2, 2025 (Thu) | No School |
| Columbus Day | October 13, 2025 (Mon) | No School |
| Veterans Day | November 11, 2025 (Tue) | No School |
| Thanksgiving Recess | November 26–28, 2025 (Wed–Fri) | No School |
| Winter Recess | Dec 24, 2025 – Jan 2, 2026 | No School |
| Martin Luther King Jr. Day | January 19, 2026 (Mon) | No School |
| Lunar New Year | February 17, 2026 (Tue) | No School |
| Presidents' Day / Mid-Winter Recess | February 16–20, 2026 (Mon–Fri) | No School |
| Spring Recess | April 2–10, 2026 | No School |
| Memorial Day | May 25, 2026 (Mon) | No School |
| Juneteenth | June 19, 2026 (Fri) | No School |
| Last Day of School | June 25, 2026 (Thu) | 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 Smithtown Central School District 2025-2026 school year runs from September 3, 2025 to June 26, 2026. Smithtown is an educational giant on Long Island, serving approximately 9,000 students across 11 schools on Suffolk County's North Shore.
Uniquely featuring two comprehensive high schools (East and West), the district enjoys a distinct community rivalry that supercharges its athletics and school spirit. The district covers numerous affluent neighborhoods and features an incredibly busy calendar packed with AP testing windows, robust performing arts events, and massive athletic coordination.
For easy reference, use the button at the top of this page to download a free, color-coded printable Smithtown school calendar for your fridge or classroom.
Data Source: Official Smithtown Central School District calendar publication.
Disclaimer: This website is not affiliated with, endorsed by, or connected to Smithtown Central School District or the New York State Education Department (NYSED). For the most current and official calendar, please visit www.smithtown.k12.ny.us.
Official calendars can still change. Always confirm updates with the district before making plans.
Last updated: March 17, 2026