Syosset Central School District Calendar 2026–2027

Complete school year calendar for Syosset CSD — one of Long Island's most academically acclaimed school districts, known for exceptional STEM programs and national rankings. Includes all holidays, breaks, half days, and important dates from September 2026 through June 2027.

Official dates — These dates are based on the approved Syosset Central School District 2026-2027 board calendar.

Key Dates at a Glance

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Key dates for Syosset Central School District 2026-2027 school year
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 24, 2026 – Jan 1, 2027 No School
Rev. Dr. Martin Luther King Jr. Day January 18, 2027 (Mon) No School
Presidents' Week February 15–19, 2027 (Mon–Fri) No School
Eid al-Fitr March 9, 2027 (Tue) No School
Easter Break March 25–26, 2027 (Thu–Fri) No School
Spring Recess (Passover) April 22–30, 2027 (Thu–Fri) No School
Eid al-Adha May 17, 2027 (Mon) No School
Memorial Day May 31, 2027 (Mon) No School
Juneteenth (Observed) June 18, 2027 (Fri) No School
Last Day of School June 25, 2027 (Fri) School Closes

Syosset School Calendar 2026–2027

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.

School Day
Weekend
Holiday (No School)
School Break
First / Last Day
Important Date

Syosset District Overview

The Syosset Central School District 2026-2027 school year serves approximately 6,600 Nassau County students across its 10 highly-ranked buildings. This calendar is a crucial tool for one of New York's most academically demanding communities.

Syosset's schedule is meticulously designed around intensive academic pacing, Advanced Placement testing, and college-preparatory milestones. The calendar is also notable for its broad cultural responsiveness—building in recess days for Diwali, Lunar New Year, and Eid al-Fitr to accommodate the vibrant, diverse communities of Oyster Bay town.

For easy reference, use the button at the top of this page to download a free, color-coded printable Syosset school calendar for your fridge or desk.

Frequently Asked Questions

Sep 1, 2026.
Jun 25, 2027.
Dec 24 – Jan 2. Students return the next school day.
Mar 30 – Apr 3, 2027.
Feb 16-20, 2027.
181 student days. Approved by the Board in 2026.
Syosset is nationally recognized for its Science Olympiad program and consistently high AP exam participation rates.
Yes. Lunar New Year is observed as a school holiday, reflecting Syosset's significant East Asian community.
Syosset is located in Long Island. Nearby school districts include Jericho, Cold Spring Harbor and Hicksville. Each district sets its own academic calendar, though break schedules in the same region often align.

About This Calendar

Data Source: Official Syosset Central School District calendar publication.

Disclaimer: This website is not affiliated with, endorsed by, or connected to Syosset Central School District or the New York State Education Department (NYSED). For the most current and official calendar, please visit www.syossetschools.org.

Official calendars can still change. Always confirm updates with the district before making plans.

Last updated: March 17, 2026