Arming teachers

I wonder how much more dangerous it would be if teachers were allowed to arm themselves in school. Doesn’t that send our youth the wrong message. It makes them into the enemy. A them against us scenerio. Lets say I didn’t like my teacher and for what ever reason and I knew my teacher didn’t like me. So we already have an atmosphere of anomosity and tension that has been created and has been lingering for lets say since the second grade. Then we put in place a teacher can bare arms policy. What do you think a student will do in order that he or she will feel safe in an already volitile classroom. Yes you guessed it. A student will find a way to even the odds in case something were to accuer