"my knuckles..." LOL. I go back far enough to relate to that! Doubt if it happens today; she might find herself looking down the barrel of a gun.
If push comes to shove, I'll take the ruler over the need for security guards in schools.
Sister Mary Esmerelda, IHM (at least 4'10" and 100lbs.), would have eaten security guards (or any other miscreants for that matter) for breakfast. God rest her soul.