Physics or Something Like It

My physics TA is so stupid. I got frustrated with him and walked out on him (not subtly either). He is unorganized, and while I'm sure HE knows physics, we don't, but he teaches it to us like we should know all of it before hand. I understand it, but many in the class have no clue. He conveys information poorly, so I often ask him to clarify specific things. He sometimes claims he has already (when he hasn't), or will go uh...... for about 20 minutes before going, "Ok, let's start over." Is this what I pay (or would pay) tuition for? The fact that I am out of here in fall is my only hope.