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School Open
Dismissal: 3:30 PM
Next 7 Days
2 days offMarch 2026
Coming Up
2 this weekSchool Breaks
Holidays (No School)
The Thousand Islands Central School District school calendar for the 2025-26 school year runs from Thursday, September 4, 2025 to Friday, June 26, 2026 in Three Mile Bay, New York.
- •5 scheduled breaks and 12 holidays throughout the year
- •Spring break: Apr 6 – Apr 10
- •Winter break: Dec 24 – Dec 31
Thousand Islands Central School District starts school 16 days later than most New York districts. Winter break starts 54 days earlier than the most common New York schedule.
Download the iCal file above to sync all Thousand Islands Central School District dates with your phone or computer.
Frequently Asked Questions
Is Thousand Islands Central School District school open today?
Yes, Thousand Islands Central School District is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Thousand Islands Central School District?
The next day off is Friday, April 3, 2026 for Good Friday.
When is the first day of school for Thousand Islands Central School District?
The first day of school for Thousand Islands Central School District in 2025-26 is Thursday, September 4, 2025.
When is the last day of school for Thousand Islands Central School District?
The last day of school for Thousand Islands Central School District in 2025-26 is Friday, June 26, 2026.
When is spring break for Thousand Islands Central School District?
Spring break for Thousand Islands Central School District is Monday, April 6, 2026 to Friday, April 10, 2026.
When is winter break for Thousand Islands Central School District?
Winter break for Thousand Islands Central School District is Wednesday, December 24, 2025 to Wednesday, December 31, 2025.
When do students go back to school after winter break?
Students in Thousand Islands Central School District return to school after winter break on Thursday, January 1, 2026. Winter break ends on Wednesday, December 31, 2025.
When is Thanksgiving break for Thousand Islands Central School District?
Thanksgiving break for Thousand Islands Central School District is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Thousand Islands Central 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 Three Mile Bay, NY in?
Three Mile Bay, New York is served by Thousand Islands Central School District. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Three Mile Bay?
School in Three Mile Bay (Thousand Islands Central School District) starts on Thursday, September 4, 2025 for the 2025-26 school year.
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Last updated: December 19, 2025
Source: Thousand Islands Central School District Official Calendar