Schools absolutely don't fuck around with threats, except that one in Michigan who released the kid back to class with a gun.
So, in your mind, you're the gatekeeper to who means what they say and who doesn't. It's like saying a bomb in an airport, it ends in swift action.
She did call the cops herself. Don't see anyone stating she's a terrorist. What's with y'all wanting to be the victim when you fuck up?