text: Looking from the side of those who think you should choose your first policy, they might say that it's best for the student's safety, in the case of an emergency or personal problem. Which is a good point, besides the fact that there are many phones in the school, most the teachers have cell phones of their own, and the office always has access to multiple phones. Even if every single phone is unavailable and all the teacher's cell phones have been gotten rid of somehow, it is very rare. So rare in fact, that I don't believe it to be an issue. Another thing they might say is that if kids are going to turn them off in class, there isn't a problem. Well, yes there is because most kids won't actually turn them off in class.