I think there's enough discipline issues in schools nowadays without getting rid of another level of.. not necessarily respect but definitely perceived authority. A teacher is 'miss' or 'sir' or 'mrs smith' or 'mr jones' because they're not your friend, not your buddy, they are an elder, who is there to be paid attention to...

Which i know wasn't the point of your post and i apologise for soapboxing there but apparently that's what came out of me when reading.