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Summer Break
School starts Aug 26
Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Tri-Valley School District 49-6 school calendar for the 2026-27 school year runs from Wednesday, August 26, 2026 to Friday, May 28, 2027 in Lyons, South Dakota.
- •2 scheduled breaks and 8 holidays throughout the year
- •Spring break: Mar 22 – Mar 26
- •Winter break: Dec 21 – Jan 1
Tri-Valley School District 49-6 starts school 377 days later than most South Dakota districts. Winter break starts 364 days later than the most common South Dakota schedule.
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, Tri-Valley School District 49-6 is currently on summer break. School starts Wednesday, August 26, 2026.
When is the next day off for Tri-Valley School District 49-6?
The next day off is Monday, September 7, 2026 for Labor Day.
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 2026-27 is Wednesday, August 26, 2026.
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 2026-27 is Friday, May 28, 2027.
When is spring break for Tri-Valley School District 49-6?
Spring break for Tri-Valley School District 49-6 is Monday, March 22, 2027 to Friday, March 26, 2027.
When is winter break for Tri-Valley School District 49-6?
Winter break for Tri-Valley School District 49-6 is Monday, December 21, 2026 to Friday, January 1, 2027.
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 Monday, January 4, 2027. Winter break ends on Friday, January 1, 2027.
When is Thanksgiving break for Tri-Valley School District 49-6?
Thanksgiving break dates for Tri-Valley School District 49-6 are not yet available.
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 2026-27 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 Wednesday, August 26, 2026 for the 2026-27 school year.
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Last updated: July 14, 2026