One thing I know some schools offer is, IIRC, auditing classes. I did this at UT a few years ago. You basically pay a filing fee and then can attend classes wit

One thing I know some schools offer is, IIRC, auditing classes. I did this at UT a few years ago. You basically pay a filing fee and then can attend classes without enrolling. No credits or degree possibility AFAIK, but you get to learn.