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May 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Tri-Valley School District 49-6 school calendar for the 2025-26 school year runs from Tuesday, August 19, 2025 to Thursday, May 21, 2026 in Lyons, South Dakota.
- •3 scheduled breaks and 4 holidays throughout the year
- •Spring break: Mar 30 – Apr 3
- •Winter break: Dec 20 – Jan 5
Tri-Valley School District 49-6 starts school 5 days later than most South Dakota districts.
Download the iCal file above to sync all Tri-Valley School District 49-6 dates with your phone or computer.
Frequently Asked Questions
Is Tri-Valley School District 49-6 school open today?
No, today is Saturday - school is not in session on weekends.
When is the next day off for Tri-Valley School District 49-6?
There are no more scheduled days off for the 2025-26 school year.
When is the first day of school for Tri-Valley School District 49-6?
The first day of school for Tri-Valley School District 49-6 in 2025-26 is Tuesday, August 19, 2025.
When is the last day of school for Tri-Valley School District 49-6?
The last day of school for Tri-Valley School District 49-6 in 2025-26 is Thursday, May 21, 2026.
When is spring break for Tri-Valley School District 49-6?
Spring break for Tri-Valley School District 49-6 is Monday, March 30, 2026 to Friday, April 3, 2026.
When is winter break for Tri-Valley School District 49-6?
Winter break for Tri-Valley School District 49-6 is Saturday, December 20, 2025 to Monday, January 5, 2026.
When do students go back to school after winter break?
Students in Tri-Valley School District 49-6 return to school after winter break on Tuesday, January 6, 2026. Winter break ends on Monday, January 5, 2026.
When is Thanksgiving break for Tri-Valley School District 49-6?
Thanksgiving break for Tri-Valley School District 49-6 is Wednesday, November 26, 2025 to Friday, November 28, 2025.
How do I add Tri-Valley School District 49-6 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 Lyons, SD in?
Lyons, South Dakota is served by Tri-Valley School District 49-6. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Lyons?
School in Lyons (Tri-Valley School District 49-6) starts on Tuesday, August 19, 2025 for the 2025-26 school year.
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Last updated: January 3, 2026