alright maybe i'm too old to see it from your point of veiw, but how is ignoreing a teacher, smart a** comments and blowing off an appointment (when the teacher told you to have lunch with him) handleing this in a mature fashion?
you wonder why some teachers may have a crappy attitude? look at some of the attitudes they recieve all day from kids. i used to be one of those kids that thought i was being "mature" when really all you did was display an attitude and disrespect to a teacher, who is an authority figure in the school.
a better way to handle that situation would have been to suggest both of you have lunch with the vice princapal to discuss your differance of oppinion on what happened. since the vice principal is such a freind of yours i'm sure he would have treated you fairly.
just my $.02!