my public high school, which was a huge majority white (and also, the thug population was far from a minority - note I said thug, not black. Because the white wannabe thugs outnumbered all the blacks total, though at least half the black population did think they were hot whore shit - welcome to Toledo though), had a full-time cop on the premises, actually each of the schools in the complex (two junior high buildings: the 7th grade one and 8th grade one; and the high school, well 4 as the CTC was its own building too.)
I'm fairly confident, but not 100% sure, that the cops were armed. They may have since switched to Tasers that resemble handguns in the holster, and they may have had those the whole time. They were full-time Toledo Police and had the same equipment.
They have gone after people, never fired anything, though handcuffs used plenty of times.
/fun with parentheses