I think the idea of hiring guards at every elementary school is just about as retarded an idea as I've ever heard in my life.
Think about the amount of money required across the nation to employ all of them in that way.
Think about the victory we'd be giving a handful of crazies by doing that because of their actions.
Think about the change in atmosphere at the schools.
But most importantly consider the logic of it.
You think that will stop anything? It might on occasion but... first of all, how many school days have transpired in this country, including the other day, at how many schools... where nothing at all happened? Consider the percentage of days and schools since this country first had public schools, where no shooting took place, vs. the number where a shooting did. It is LAUGHABLE to talk about changing policy based on something that rare.
At least, changing policy in this way.
Where will the guard be? At the door? Most schools have multiple doors.
Will he chill in the office until something happens? At my elementary school the kindergarten classrooms were about as far from the office as was possible, and it was a large building. By the time word (or sound) got to the office that a shooting was transpiring down there, and the guard got down there... it would all be over.
Limit all schools to one door and have the guard there? Stupid, but let's think about it for a second.
Now the guy breaks in a window at the classroom furthest from the door, and does his thing before anyone can get there to respond.
Or the guy, knowing there's one and only one person in the building with the power to stop him, goes for the guard first. Guard sits there day after day, nothing happening... suddenly this guy shows up with most likely a better gun, or an equivalent gun but he's ready, he has it out, cocked, safety off... and he KNOWS gunplay is about to start. The guard is dead before he can even think about drawing his weapon.
Having a pistol locked in the principles' office in a cabinet and/or one in the janitor's area, or gym teacher's office is a little bit more rational and miiiiight make sense.
But the measure to respond to this event which makes the most sense, is TO DO NOTHING AT ALL.
You don't kneejerk restructure your society based on random crazy people doing super rare shit.