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Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Marathon ISD school calendar for the 2026-27 school year runs from Wednesday, August 12, 2026 to Friday, May 21, 2027 in Texas.
- •5 scheduled breaks and 4 holidays throughout the year
- •Spring break: Mar 8 – Mar 12
- •Winter break: Dec 21 – Jan 4
Marathon ISD starts school 206 days later than most Texas districts. Winter break starts 364 days later than the most common Texas schedule.
Download the iCal file above to sync all Marathon ISD dates with your phone or computer.
Frequently Asked Questions
Is Marathon ISD school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Marathon ISD?
The next day off is Fall Break, starting Monday, October 12, 2026.
When is the first day of school for Marathon ISD?
The first day of school for Marathon ISD in 2026-27 is Wednesday, August 12, 2026.
When is the last day of school for Marathon ISD?
The last day of school for Marathon ISD in 2026-27 is Friday, May 21, 2027.
When is spring break for Marathon ISD?
Spring break for Marathon ISD is Monday, March 8, 2027 to Friday, March 12, 2027.
When is winter break for Marathon ISD?
Winter break for Marathon ISD is Monday, December 21, 2026 to Monday, January 4, 2027.
When do students go back to school after winter break?
Students in Marathon ISD return to school after winter break on Tuesday, January 5, 2027. Winter break ends on Monday, January 4, 2027.
When is Thanksgiving break for Marathon ISD?
Thanksgiving break for Marathon ISD is Monday, October 12, 2026 to Friday, October 16, 2026.
How do I add Marathon 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: September 15, 2026
Source: Marathon ISD Official Calendar