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May 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Custer K-12 Schools school calendar for the 2025-26 school year runs from Monday, August 18, 2025 to Thursday, May 21, 2026 in Custer, Montana.
- •1 scheduled break and 7 holidays throughout the year
- •Spring break: Apr 2 – Apr 6
Custer K-12 Schools starts school around the same time as most Montana districts.
Download the iCal file above to sync all Custer K-12 Schools dates with your phone or computer.
Frequently Asked Questions
Is Custer K-12 Schools school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Custer K-12 Schools?
The next day off is Monday, May 25, 2026 for Memorial Day.
When is the first day of school for Custer K-12 Schools?
The first day of school for Custer K-12 Schools in 2025-26 is Monday, August 18, 2025.
When is the last day of school for Custer K-12 Schools?
The last day of school for Custer K-12 Schools in 2025-26 is Thursday, May 21, 2026.
When is spring break for Custer K-12 Schools?
Spring break for Custer K-12 Schools is Thursday, April 2, 2026 to Monday, April 6, 2026.
When is winter break for Custer K-12 Schools?
Winter break dates for Custer K-12 Schools are not yet available.
When do students go back to school after winter break?
The date students return after winter break for Custer K-12 Schools is not yet available.
When is Thanksgiving break for Custer K-12 Schools?
Thanksgiving break dates for Custer K-12 Schools are not yet available.
How do I add Custer K-12 Schools 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 Custer, MT in?
Custer, Montana is served by Custer K-12 Schools. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Custer?
School in Custer (Custer K-12 Schools) starts on Monday, August 18, 2025 for the 2025-26 school year.
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Last updated: December 31, 2025