Wow carolynjo, seriously?!! I would have reported her to the person in charge of whatever store or group was sponsoring that class. Totally unacceptable behavior for teacher.
Peckish, your comment made me laugh so hard!!! I'm going to use that line at work... "It's not me, it's the idiot in my own head!"
I had one bad experience years ago in a class with... well, I won't say who, but she was a very famous expert in serging. She took one look at my serger which was an inexpensive model, I will admit. She said in front of the whole class, well Donna, you won't be able to accomplish anything with that THING, but you can try. . Which I did. I put that machine through its paces and she kept coming around and acting surprised. I got something out of the class based only on what I was doing by myself with no help from her because she really just ignored me throughout. That company still exists and when I see their name, I still do cringe a little bit.
Lady Diana's advice was spot-on! Those are all great things to remember in a class, especially being honest with the person sitting next to you. I'm rather quiet and I like to pay close attention to the teacher, and I always end up sitting next to a Chatty Cathy..... LOL.