The JustinKase is made of steel plates and connecting rods, according to NBC affiliate KARE. The device slides under a classroom door and latches on so the door can’t be opened. “You close the ...

The sources confirmed to ABC News that investigators now believe the alleged gunman, Salvador Ramos, could not have locked the doors to the classrooms from inside as officials first suspected.

California classroom safety bill likely headed for Brown's desk AB 3205 requires classroom doors to lock from inside ...

Raleigh County students are preparing to return to the classroom. But this year there will be new expectations regarding mobile devices. In its 2025 session, the ...

When addressing classroom security, also take into consideration protocols, windows, training, visitor management, and emergency plans.

Police didn't try to open doors to Uvalde school classrooms with shooter inside: Source Whether classroom doors were unlocked through the entire massacre remains under investigation.