Lockdown drills are a fact of life in U.S. schools. What does that mean for students?

Schools are grappling with how to prepare students for the possibility of gun violence without traumatizing them.
CBS News

Parents Upset Over Active Shooter Drill Done 'To Expose Students To Sound Of Gunfire'

BETHEL PARK (KDKA) -- At Bethel Park High School on Thursday, an active shooter drill is scheduled to get underway during an extended third period class. This drill will include the sound of gunfire, ...
WGAL

High school using sound of real gunfire in active shooter drills

A high school in Anchorage, Alaska, is using the sound of real gunfire to prepare students for active shooters.KTVA reported a resource officer at East High School walked the halls Monday morning ...
Vulture

What Is the Sound of Drill?

The sound of drill is the brazen brrrrrap of street-level rap over the past decade. It’s the unsettling, aestheticized sound of gunplay evoked by spraying hi-hats, double-tapped rhyme blasts, and a ...
Los Angeles Times

High school cancels active-shooter drill with sound of gunfire after receiving a complaint

San Marino High School was ready for its active-shooter drill Friday morning. City police officers planned to fire blank cartridges over 11 minutes to familiarize students with the sound of gunfire.