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Summer Break
School starts Aug 19
Next 7 Days
August 2026
Coming Up
1 this weekSchool Breaks
Holidays (No School)
The Jefferson County School District R-1 school calendar for the 2026-27 school year runs from Wednesday, August 19, 2026 to Thursday, May 27, 2027 in Aspen Park, Colorado.
- •6 scheduled breaks and 8 holidays throughout the year
- •Spring break: Mar 22 – Mar 26
- •Winter break: Dec 21 – Jan 5
Jefferson County School District R-1 starts school 365 days later than most Colorado districts. Winter break starts 364 days later than the most common Colorado schedule.
Download the iCal file above to sync all Jefferson County School District R-1 dates with your phone or computer.
Frequently Asked Questions
Is Jefferson County School District R-1 school open today?
No, Jefferson County School District R-1 is currently on summer break. School starts Wednesday, August 19, 2026.
When is the next day off for Jefferson County School District R-1?
The next day off is Monday, September 7, 2026 for Labor Day.
When is the first day of school for Jefferson County School District R-1?
The first day of school for Jefferson County School District R-1 in 2026-27 is Wednesday, August 19, 2026.
When is the last day of school for Jefferson County School District R-1?
The last day of school for Jefferson County School District R-1 in 2026-27 is Thursday, May 27, 2027.
When is spring break for Jefferson County School District R-1?
Spring break for Jefferson County School District R-1 is Monday, March 22, 2027 to Friday, March 26, 2027.
When is winter break for Jefferson County School District R-1?
Winter break for Jefferson County School District R-1 is Monday, December 21, 2026 to Tuesday, January 5, 2027.
When do students go back to school after winter break?
Students in Jefferson County School District R-1 return to school after winter break on Wednesday, January 6, 2027. Winter break ends on Tuesday, January 5, 2027.
When is Thanksgiving break for Jefferson County School District R-1?
Thanksgiving break for Jefferson County School District R-1 is Monday, October 12, 2026 to Tuesday, October 13, 2026.
How do I add Jefferson County School District R-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 Aspen Park, CO in?
Aspen Park, Colorado is served by Jefferson County School District R-1. This page shows the 2026-27 school calendar including first day, last day, breaks, and holidays.
When does school start in Aspen Park?
School in Aspen Park (Jefferson County School District R-1) starts on Wednesday, August 19, 2026 for the 2026-27 school year.
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Other Colorado Districts
Last updated: July 14, 2026
Source: Jefferson County School District R-1 Official Calendar