Well, I remember when I was younger the vice pricipal of my middle school decided to take it upon herself to inform the class about my AS. Needless to say she was not knowlegeable on the subject and, at the very least, ignorant and uninformed.
So she walked into a room ful of sixthgraders and told them that a new girl was coming to their school, but they need to be careful what they say to her because she may take it the wrong way. She actually said that if they told me to 'go jump in a lake' or 'take a hike' I would. Literally.
Also I don't, in her words, like being touched lightly. only 'firm touches'. So naturally, one guy in there said, "So we hit her?"
ROFL
It worked out fine though, I made 3 good friends (they later told me about this introduction and it's rediculousness.) and most everyone accepted me (except for the teacher, but that's a story for another day.)
Now I tell my instructors privately, usually through E-mail, and if anyone else asks, I tell them. AS is just a part of me and it's nothing to be ashamed of.