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Next 7 Days
1 day offApril 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Big Sandy School District 100J school calendar for the 2025-26 school year runs from Tuesday, August 12, 2025 to Thursday, May 21, 2026 in Matheson, Colorado.
- •4 scheduled breaks and 11 holidays throughout the year
- •Spring break: Mar 21 – Mar 30
- •Winter break: Dec 19 – Jan 4
Big Sandy School District 100J starts school 7 days earlier than most Colorado districts. Winter break starts 3 days earlier than the most common Colorado schedule.
Download the iCal file above to sync all Big Sandy School District 100J dates with your phone or computer.
Frequently Asked Questions
Is Big Sandy School District 100J school open today?
Yes, Big Sandy School District 100J is open today. Check the weekly calendar above for upcoming school days and closures.
When is the next day off for Big Sandy School District 100J?
The next day off is Monday, April 6, 2026 for Teacher Inservice.
When is the first day of school for Big Sandy School District 100J?
The first day of school for Big Sandy School District 100J in 2025-26 is Tuesday, August 12, 2025.
When is the last day of school for Big Sandy School District 100J?
The last day of school for Big Sandy School District 100J in 2025-26 is Thursday, May 21, 2026.
When is spring break for Big Sandy School District 100J?
Spring break for Big Sandy School District 100J is Saturday, March 21, 2026 to Monday, March 30, 2026.
When is winter break for Big Sandy School District 100J?
Winter break for Big Sandy School District 100J is Friday, December 19, 2025 to Sunday, January 4, 2026.
When do students go back to school after winter break?
Students in Big Sandy School District 100J return to school after winter break on Monday, January 5, 2026. Winter break ends on Sunday, January 4, 2026.
When is Thanksgiving break for Big Sandy School District 100J?
Thanksgiving break for Big Sandy School District 100J is Saturday, November 22, 2025 to Monday, December 1, 2025.
How do I add Big Sandy School District 100J 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 Matheson, CO in?
Matheson, Colorado is served by Big Sandy School District 100J. This page shows the 2025-26 school calendar including first day, last day, breaks, and holidays.
When does school start in Matheson?
School in Matheson (Big Sandy School District 100J) starts on Tuesday, August 12, 2025 for the 2025-26 school year.
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Last updated: December 18, 2025