I am really sorry for your bad experience with that class. I would not go back, because it is not fair to announce a class and that the more trained once have to teach the newbies.
If I choose a class, the theme must be clear and I am expecting a clear material list, what I have to bring. And at least I am expacting an example from the result done by the teacher, that shows what the ready Project should look like. This Piece tells me, if the teacher is able to teach me.
I wish you good luck for another quilting class