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May 2026
Coming Up
The Simms H S school calendar for the 2025-26 school year runs from Monday, August 18, 2025 to Thursday, May 28, 2026 in Simms, Montana.
- •0 scheduled breaks and 0 holidays throughout the year
Simms H S starts school around the same time as most Montana districts.
Download the iCal file above to sync all Simms H S dates with your phone or computer.
Frequently Asked Questions
Is Simms H S school open today?
No, today is Sunday - school is not in session on weekends.
When is the next day off for Simms H S?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Simms H S?
The first day of school for Simms H S in 2025-26 is Monday, August 18, 2025.
When is the last day of school for Simms H S?
The last day of school for Simms H S in 2025-26 is Thursday, May 28, 2026.
When is spring break for Simms H S?
Spring break dates for Simms H S are not yet available.
When is winter break for Simms H S?
Winter break dates for Simms H S are not yet available.
When do students go back to school after winter break?
The date students return after winter break for Simms H S is not yet available.
When is Thanksgiving break for Simms H S?
Thanksgiving break dates for Simms H S are not yet available.
How do I add Simms 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 Simms, MT in?
Simms, Montana is served by Simms H S. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Simms?
School in Simms (Simms H S) starts on Monday, August 18, 2025 for the 2025-26 school year.
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Other Montana Districts
Last updated: December 31, 2025
Source: Simms H S Official Calendar