To be fair it's not often a school gets more than one shooter in its history; all the school really needs is one gun and a handful of bullets in case the first misses or doesn't kill the child, and thankfully children die pretty easy.

(you know I racked my brain for like five minutes and couldn't think of a single way to say this that didn't sound ghoulish; that last bit at the end there was just me throwing my hands up and saying 'let's embrace the inner ghoul')