While their at it stop the lock down policy. Creates sitting ducks.
Lock downs means the teacher locks the door from the inside and pushes a file cabinet or something heavy in front of the door which opens in. That slows down a shooter big time. This happened at Sandy Hook. A teacher was on TV saying they didn’t push the blockades away from the door until the police slid their badges under the door, and they got phone calls that it was safe to come out.