Thanks for sharing that. I'm going to print that and give it to my Mother and ask her what she thinks.
Obviously, not all of that will apply to her classroom, for instance her door swings inward and she only has one window, but the rest of your advice is superb!
NRA Life Member
Big Sister: "You should be sponsored by Allen"
Me: "If you can't shoot good, at least look good walking to the firing line."
Big Sister: "Can you not afford a Pelican? Then buy an Allen gun bag."