Something seems awry. You say your son tried to get the head of the art dept to use models; My son took an ENTRY level drawing class and there were of course models. Obviously your s is unhappy and he needs to do something about it. Maybe the school is a bad fit. Maybe something else is going on. For what it is worth, my S’s experience (2016 grad) was that Wes offered a rigorous and challenging education with a very engaged and intellectual student body. It was a game-changer for him.