Colorado
Jefferson County School District No. R-1 Calendar
Jefferson County School District No. R-1 is a public school district in Golden, Colorado. This page publishes the 2026-27 academic calendar: the first day of school, the last day, student holidays, and breaks. K12Cal copies those dates from the district's official calendar and links the source. It does not set the calendar. It enrolls 74,251 students in Golden.
School year covered: 2026-27. The year-specific record is the Jefferson County School District No. R-1 calendar 2026-27.
This is Jefferson County School District No. R-1 in Colorado (Jeffco Public Schools). It is not Jefferson County Public Schools in Louisville, Kentucky.
At a glance
- First day
- Last day
- Next break
- Thanksgiving break, November 23–27, 2026As of October 20, 2026, when this calendar was last verified.
2026-27 dates
The table scrolls sideways on small screens.
| Date | Event | Applies to | Notes |
|---|---|---|---|
| First day of school | All students | — | |
| Fall break | All students | — | |
| Thanksgiving break | All students | — | |
| Winter break | All students | — | |
| Spring break | All students | — | |
| Last day of school | All students | — |
Official source
Last verified . Status: verified.
- Jefferson County School District No. R-1 2026-27 official calendar (PDF)
- Jefferson County School District No. R-1 official calendar page
Not listed
- Early release days were not confirmed against the official source and are omitted.
- Other student holidays were not confirmed against the official source and are omitted.
Questions
When does Jefferson County School District No. R-1 start school in 2026-27?
Jefferson County School District No. R-1 starts school on Wednesday, August 19, 2026.
When is the last day of school for Jefferson County School District No. R-1 in 2026-27?
The last day of school is Thursday, May 27, 2027.
When is fall break for Jefferson County School District No. R-1?
Fall break is October 12–13, 2026.
When is thanksgiving break for Jefferson County School District No. R-1?
Thanksgiving break is November 23–27, 2026.
When is winter break for Jefferson County School District No. R-1?
Winter break is December 21, 2026 – January 5, 2027.
When is spring break for Jefferson County School District No. R-1?
Spring break is March 22–26, 2027.
When is the next break for Jefferson County School District No. R-1?
As of October 20, 2026, the next break is Thanksgiving break, November 23–27, 2026.
Does Jefferson County School District No. R-1 list early release days in 2026-27?
The verified 2026-27 calendar does not list early release days.
Other Colorado calendars
These dates are for Jefferson County School District No. R-1 only. For the state directory, see Colorado school district calendars.