Whether facing an active shooter emergency or another type of lockdown situation in school, it is vital for staff to be able to successfully secure classrooms from the inside to protect students from ...

UPDATE 2/26/2025: This article, first published in 2020, has been updated by the author to include several developments within the industry that have made some of the previous information out-of-date.

"I feel like the people making these rules have never actually taught before." As school shootings have become increasingly common, schools have started to implement new rules to keep their students ...