I won't do public workshops or classes of any kind ever again because of people who have taken the classes before and are 'done' before anyone else starts and they talk to the instructor the entire time after the presentation so no one else can ask a question and act like you are bothering them if you interrupt. Let the instructor hang with her 'clique' on her own time and $.
I will learn on my own from friends, on line workshops and public forums as I can read and follow directions.