Complete school year calendar for Half Hollow Hills Central School District (Long Island). Includes all holidays, breaks, and important dates from September 2026 through June 2027.
| Event | Date(s) | Status |
|---|---|---|
| First Day of School | September 9, 2026 (Wed) | School Opens |
| Rosh Hashanah | September 14, 2026 (Mon) | No School |
| Yom Kippur | September 21, 2026 (Mon) | No School |
| Thanksgiving Break | November 26–27, 2026 (Thu–Fri) | No School |
| Holiday Recess | Dec 23, 2026 – Jan 3, 2027 | No School |
| Mid-Winter Recess | February 15–19, 2027 (Mon–Fri) | No School |
| Spring Recess | April 2–9, 2027 (Fri–Fri) | No School |
| Memorial Day | May 31, 2027 (Mon) | No School |
| Last Day of School | June 24, 2027 (Thu) | School Closes |
Complete month-by-month calendar for Half Hollow Hills CSD. Every day is color-coded so you can see school days, holidays, and breaks at a glance.
The Half Hollow Hills Central School District is a highly regarded public school system located on Long Island, serving approximately 7,100 students across 9 dynamic schools. Providing high-quality education to families primarily in Dix Hills and Melville within Suffolk County, the district is known for its diverse academic programs and robust student engagement. The official school calendar is a cornerstone document that helps this vibrant community plan for the academic year.
Operating independently from larger systems like the NYC DOE, Half Hollow Hills sets its own start dates, professional development days, and holiday observances. The district consistently prioritizes instructional continuity, managing severe winter weather impacts and localized community needs carefully. By offering this projected calendar, we aim to give parents, educators, and students a dependable head start on organizing their schedules around Key Dates and recess periods.
The 2026-2027 school year for Half Hollow Hills CSD is projected to begin on Wednesday, September 9, 2026. The district historically starts school on September 4, but since that date falls on a Friday in 2026, the start moves to after Labor Day.
Yes. As a Long Island district with a significant Jewish community, Half Hollow Hills observes Rosh Hashanah and Yom Kippur as school holidays. In 2026, the projected closures are Monday, September 14 (Rosh Hashanah) and Monday, September 21 (Yom Kippur).
Spring Recess is projected to run from Friday, April 2 through Friday, April 9, 2027. In previous years the district used a fixed April 10-17 window, but in 2027 Passover (April 1-9) shifts the break earlier.
Yes. Half Hollow Hills typically schedules three half-days for elementary students at the end of the school year, usually the last three days of classes.
The last day of the 2026-2027 school year is projected to be Thursday, June 24, 2027. The district consistently ends its school year on or near June 24.
Half Hollow Hills Central School District has progressively updated its calendar to reflect its diverse community. The district formally recognizes Diwali, the Festival of Lights. When Diwali falls on a weekday, it is designated as a district-wide school closure. In the 2026-2027 academic year, parents should refer to the officially adopted calendar to confirm the exact observance date for Diwali.
Data Source: This calendar is based on projected dates derived from Half Hollow Hills CSD's historical scheduling patterns (2024-2025 and 2025-2026 academic years).
Disclaimer: This website is not affiliated with Half Hollow Hills Central School District. For the most current and official calendar, please visit hhh.k12.ny.us.
Dates are subject to change. Religious holiday dates are approximate.
Last updated: March 6, 2026