An officer from Jeffco Public Schools listens on his radio as students leave Columbine High School on April 16, 2019 following a lockdown at Columbine High School and other Denver area schools. (David Zalubowski, AP)

Jeffco Public Schools’ security chief was already losing sleep over the Columbine anniversary. And then this week happened.

John McDonald often spends the night at the school in the days before the painful anniversary, but got little sleep when a woman threatening violence came to Colorado

Education Primary category in which blog post is published
Education Primary category in which blog post is published

Coronavirus closures: Denver-area districts cancel in-person classes the rest of the school year

The announcements follow a decision by Gov. Jared Polis to close schools for in-person instruction until at least April 30.