I suspect there are more armed school employees than anyone knows and that’s a good thing.
I teach 5th grade. My portable building is right next to a street. Since I cannot carry my 1911 into my classroom, I leave it in my truck which is parked on that street about 20 feet from my door.
I love my 1911. I have other firearms that I like, including a Glock, but I love my 1911. My understanding is that John Moses Browning invented the 1911 to fire his new cartridge, the .45 acp. This cartridge came about because the Army felt that their current sidearm, if I recall correctly (I may not be) was ineffective against drugged up moslem warriors in the Philippines. Long story short, my sweet 1911 was invented to kill moslems.