Jefferson County School District R-1

This page includes all the holiday dates in the 2020-2021 school calendar for Jefferson County School District R-1 in Colorado. The Jefferson County School District R-1 has control over all schools in Jefferson County, Colorado. It’s considered the second largest district in Colorado, serving more than 85,000 students within 155 schools. Please bear in mind that some changes occur suddenly in these school calendars, despite our efforts to include every date that may seem significant. Therefore, make sure to check the page constantly, and if you need further assistance, proceed to the Jefferson County School District R-1 official website for more information. We tried to incorporate non-student holiday dates as well. These include teacher services day, parent-teacher interviews, teachers' preparation days, as well as professional development days.