Then again, I had a few who I believe would have been fearless protectors and very suitable for carrying firearms.
Best to accept volunteers only, with careful screening for temperament, and many hours of live fire training and scenario training.
“Most of my high-school teachers should not have been trusted with sharp pencils, let alone a firearm.”
Most of my teachers were the same way, but back then we didn’t have these shootings. If you had a beef with someone you went out behind the school face to face and fought it out.
Going back to your comment above, my son’s teacher this year I wouldn’t trust with a wad of Play Doh