NPR News: 2 Big Teachers Unions Call For Rethinking Student Involvement In Lockdown Drills

2 Big Teachers Unions Call For Rethinking Student Involvement In Lockdown Drills
About 95% of American public schools have adopted some form of active shooter drills. But there's little proof they're effective — and there's growing concern they can traumatize children.

Đọc tiếp trên NPR
At February 11, 2020 at 05:02PM
Categoty Education