Share with Parents
Help other parents find this calendar
Summer Break
School starts Aug 26
Next 7 Days
August 2026
Coming Up
School Breaks
Holidays (No School)
The Big Horn County School District 1 school calendar for the 2026-27 school year runs from Wednesday, August 26, 2026 to Friday, May 28, 2027 in Byron, Wyoming.
- •3 scheduled breaks and 1 holiday throughout the year
- •Spring break: Mar 26 – Mar 30
- •Winter break: Dec 23 – Dec 31
Big Horn County School District 1 starts school 375 days later than most Wyoming districts. Winter break starts 366 days later than the most common Wyoming schedule.
Download the iCal file above to sync all Big Horn County School District 1 dates with your phone or computer.
Frequently Asked Questions
Is Big Horn County School District 1 school open today?
No, Big Horn County School District 1 is currently on summer break. School starts Wednesday, August 26, 2026.
When is the next day off for Big Horn County School District 1?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Big Horn County School District 1?
The first day of school for Big Horn County School District 1 in 2026-27 is Wednesday, August 26, 2026.
When is the last day of school for Big Horn County School District 1?
The last day of school for Big Horn County School District 1 in 2026-27 is Friday, May 28, 2027.
When is spring break for Big Horn County School District 1?
Spring break for Big Horn County School District 1 is Friday, March 26, 2027 to Tuesday, March 30, 2027.
When is winter break for Big Horn County School District 1?
Winter break for Big Horn County School District 1 is Wednesday, December 23, 2026 to Thursday, December 31, 2026.
When do students go back to school after winter break?
Students in Big Horn County School District 1 return to school after winter break on Friday, January 1, 2027. Winter break ends on Thursday, December 31, 2026.
When is Thanksgiving break for Big Horn County School District 1?
Thanksgiving break dates for Big Horn County School District 1 are not yet available.
How do I add Big Horn County School District 1 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 Byron, WY in?
Byron, Wyoming is served by Big Horn County School District 1. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Byron?
School in Byron (Big Horn County School District 1) starts on Wednesday, August 26, 2026 for the 2026-27 school year.
Get Calendar Alerts
We'll email you when Big Horn County School District 1 updates their calendar.
Other Wyoming Districts
Last updated: July 13, 2026