What this counrty needs: teachers with Guns

Ok, i dont know about you, but i'm getting tired of wierd people storming into schools and shooting people. So being the genius that i am i thought, how do we fix this? These People know pretty much thier going to die, so that doesnt scare them. Well then you must prevent them from doing whatever they came to do, stop whatever statement they were going to make, before it can be made. How do you do this? Stop them, or if you prefer make them understand that they wont have a chance to do whatever stupid thing they want to do. Give teachers guns. Its not so much that they must use them, its more that the bad guys know their there. If Bad Guy knows the moment he steps into a class room with his gun, the teacher can, and will nail him, he's not going to do it. Its not so much that he's scared of dieing, its more like he's scared of dieing before he acomplishes his goal. Teachers of course will need training off course.g2g