I hate to hear this sort of thing, especially from beginners. There is no excuse for uncomfortable accommodations and someone who obviously does not know how to teach a class, ask for a refund.
I learned to machine quilt at a Hancocks, the gal was fabulous, I kept taking her class and made 3 quilts. Unfortunately, they closed.
I took another class at my LQS but I was very uncomfortable. The teacher was excellent but there was something about the accommodations that really put me off, never quite figured out what, my project turned out great and I still shop there but don't take any classes.
I've had the best luck in my local Adult Education program. You make a quilt the instructor has chosen, each class she does a demonstration, then she's available after the demonstration to help you and give personal instruction.