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Weekend
Next 7 Days
October 2026
Coming Up
School Breaks
Holidays (No School)
The Chinook H S school calendar for the 2026-27 school year runs from Wednesday, August 19, 2026 to Thursday, May 27, 2027 in Chinook, Montana.
- •2 scheduled breaks and 4 holidays throughout the year
- •Spring break: Mar 29 – Mar 29
- •Winter break: Dec 23 – Jan 3
Chinook H S starts school 368 days later than most Montana districts. Winter break starts 366 days later than the most common Montana schedule.
Download the iCal file above to sync all Chinook H S dates with your phone or computer.
Frequently Asked Questions
Is Chinook H S school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Chinook H S?
The next day off is Wednesday, November 25, 2026 for Thanksgiving.
When is the first day of school for Chinook H S?
The first day of school for Chinook H S in 2026-27 is Wednesday, August 19, 2026.
When is the last day of school for Chinook H S?
The last day of school for Chinook H S in 2026-27 is Thursday, May 27, 2027.
When is spring break for Chinook H S?
Spring break for Chinook H S is Monday, March 29, 2027 to Monday, March 29, 2027.
When is winter break for Chinook H S?
Winter break for Chinook H S is Wednesday, December 23, 2026 to Sunday, January 3, 2027.
When do students go back to school after winter break?
Students in Chinook H S return to school after winter break on Monday, January 4, 2027. Winter break ends on Sunday, January 3, 2027.
When is Thanksgiving break for Chinook H S?
Thanksgiving break dates for Chinook H S are not yet available.
How do I add Chinook 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 Chinook, MT in?
Chinook, Montana is served by Chinook H S. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Chinook?
School in Chinook (Chinook H S) starts on Wednesday, August 19, 2026 for the 2026-27 school year.
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Last updated: September 13, 2026
Source: Chinook H S Official Calendar