I presume the teachers would still have to buy the guns, just as they have to buy classroom supplies. Sure, what teacher with a roomful of 5 year olds wouldn't want to keep a gun in a gun safe in the corner?Trump proposes paying bonuses to teachers who carry guns, @JustinSink reports— Mike Dorning (@MikeDorning) February 22, 2018
Of course, the teacher would have to supply the gun safe, too. And pay for the training and the license to carry; but that's what the bonus is for.
Now, where is that bonus going to come from.....?
You really have to start thinking of the President as wholly irrelevant for any of this to make sense.