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September 2026
Coming Up
School Breaks
Holidays (No School)
The Colstrip H S school calendar for the 2026-27 school year runs from Thursday, August 20, 2026 to Thursday, May 27, 2027 in Colstrip, Montana.
- •3 scheduled breaks and 8 holidays throughout the year
- •Spring break: Mar 26 – Mar 29
- •Winter break: Dec 21 – Jan 1
Colstrip H S starts school 369 days later than most Montana districts. Winter break starts 364 days later than the most common Montana schedule.
Download the iCal file above to sync all Colstrip H S dates with your phone or computer.
Frequently Asked Questions
Is Colstrip H S school open today?
Yes, Colstrip H S is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Colstrip H S?
The next day off is Thanksgiving Break, starting Wednesday, November 25, 2026.
When is the first day of school for Colstrip H S?
The first day of school for Colstrip H S in 2026-27 is Thursday, August 20, 2026.
When is the last day of school for Colstrip H S?
The last day of school for Colstrip H S in 2026-27 is Thursday, May 27, 2027.
When is spring break for Colstrip H S?
Spring break for Colstrip H S is Friday, March 26, 2027 to Monday, March 29, 2027.
When is winter break for Colstrip H S?
Winter break for Colstrip H S is Monday, December 21, 2026 to Friday, January 1, 2027.
When do students go back to school after winter break?
Students in Colstrip H S return to school after winter break on Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Colstrip H S?
Thanksgiving break for Colstrip H S is Wednesday, November 25, 2026 to Friday, November 27, 2026.
How do I add Colstrip H S 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 Colstrip, MT in?
Colstrip, Montana is served by Colstrip H S. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Colstrip?
School in Colstrip (Colstrip H S) starts on Thursday, August 20, 2026 for the 2026-27 school year.
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Last updated: August 26, 2026
Source: Colstrip H S Official Calendar