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Summer Break
School starts Sep 8
Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Mount Sinai Union Free School District school calendar for the 2026-27 school year runs from Tuesday, September 8, 2026 to Friday, June 25, 2027 in Mount Sinai, New York.
- •5 scheduled breaks and 6 holidays throughout the year
- •Spring break: Mar 26 – Mar 29
- •Winter break: Dec 24 – Jan 1
Mount Sinai Union Free School District starts school 385 days later than most New York districts. Winter break starts 311 days later than the most common New York schedule.
Download the iCal file above to sync all Mount Sinai Union Free School District dates with your phone or computer.
Frequently Asked Questions
Is Mount Sinai Union Free School District school open today?
No, Mount Sinai Union Free School District is currently on summer break. School starts Tuesday, September 8, 2026.
When is the next day off for Mount Sinai Union Free School District?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Mount Sinai Union Free School District?
The first day of school for Mount Sinai Union Free School District in 2026-27 is Tuesday, September 8, 2026.
When is the last day of school for Mount Sinai Union Free School District?
The last day of school for Mount Sinai Union Free School District in 2026-27 is Friday, June 25, 2027.
When is spring break for Mount Sinai Union Free School District?
Spring break for Mount Sinai Union Free School District is Friday, March 26, 2027 to Monday, March 29, 2027.
When is winter break for Mount Sinai Union Free School District?
Winter break for Mount Sinai Union Free School District is Thursday, December 24, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Mount Sinai Union Free School District return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Mount Sinai Union Free School District?
Thanksgiving break for Mount Sinai Union Free School District is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Mount Sinai Union Free School District calendar to my phone?
Click the "Add to Calendar" button at the top of this page to download the iCal (.ics) file. Then:
iPhone/iPad: Tap the downloaded file, then tap "Add All" to add events to your Calendar app.
Android: Open the file with Google Calendar, review the events, and tap "Import".
Google Calendar (web): Go to Settings → Import & Export → Select the .ics file → Import.
Outlook: Double-click the file or drag it into your Outlook calendar.
Apple Calendar (Mac): Double-click the file or go to File → Import → select the .ics file.
What school district is Mount Sinai, NY in?
Mount Sinai, New York is served by Mount Sinai Union Free School District. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Mount Sinai?
School in Mount Sinai (Mount Sinai Union Free School District) starts on Tuesday, September 8, 2026 for the 2026-27 school year.
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Other New York Districts
Last updated: July 24, 2026
Source: Mount Sinai Union Free School District Official Calendar