There will be no walkout at Columbine, which has long canceled classes on the anniversary of the shooting.
Denver Police say much of the city is covered by this system that can pinpoint gunfire.
Thousands of students across Colorado poured out of their schools Wednesday to protest gun violence and to remember 17 victims of last month’s deadly shooting in Florida.
It checks every box in the "hot neighborhood" checklist. Now it faces a wave of new development.
At dusk on Tuesday, Montbello community members gathered on a residential block to mourn 17-year-old Byron Ware's death.