NRA, who would gladly supply the weapons - for a price, of course - says YES!!!
Now, I hear you say, that would preemptively arm any wannabe school shooters and eliminate any leftover threshold for their shooting sprees, but the NRA has a solution to that problem too: more fear of guns means more people buying more guns to protect themselves from all the guns in circulation.
It’s beautiful, isn’t it? * wipes away single tear with dollar signs in both eyes *
https://xkcd.com/927/