Years ago I remember reading a Roger Zelazny book (my fav sci fi author) about a man who got aupported by a legacy in a will while going to college. So he never graduated, being sure to stay a few credits short in every major.
After many years, the faculty started to conspire to change the requirements to trick him into graduating. Evenutally he was down to courses like anthropological pottery.
Doorways in the Sand, good book.