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School Open
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Next 7 Days
1 day offApril 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Sundown ISD school calendar for the 2025-26 school year runs from Tuesday, August 12, 2025 to Friday, May 15, 2026 in Texas.
- •3 scheduled breaks and 9 holidays throughout the year
- •Spring break: Mar 16 – Mar 20
- •Winter break: Dec 22 – Jan 2
Sundown ISD starts school 159 days earlier than most Texas districts. Winter break matches the most common Texas schedule, starting 12/22.
Download the iCal file above to sync all Sundown ISD dates with your phone or computer.
Frequently Asked Questions
Is Sundown ISD school open today?
Yes, Sundown ISD is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Sundown ISD?
The next day off is Friday, April 3, 2026 for Good Friday.
When is the first day of school for Sundown ISD?
The first day of school for Sundown ISD in 2025-26 is Tuesday, August 12, 2025.
When is the last day of school for Sundown ISD?
The last day of school for Sundown ISD in 2025-26 is Friday, May 15, 2026.
When is spring break for Sundown ISD?
Spring break for Sundown ISD is Monday, March 16, 2026 to Friday, March 20, 2026.
When is winter break for Sundown ISD?
Winter break for Sundown ISD is Monday, December 22, 2025 to Friday, January 2, 2026.
When do students go back to school after winter break?
Students in Sundown ISD return to school after winter break on Monday, January 5, 2026. Winter break ends on Friday, January 2, 2026.
When is Thanksgiving break for Sundown ISD?
Thanksgiving break for Sundown ISD is Thursday, November 27, 2025 to Friday, November 28, 2025.
How do I add Sundown ISD 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.
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Last updated: January 3, 2026
Source: Sundown ISD Official Calendar