Berkeley was my guess for an expensive in-state tuition rate and they're $38k for 2 years.
Unless you're including housing/food/etc.
It's also hard for me to include housing because you'd need housing no matter what path in life you choose.
Rauner cut 400 million for education during a year he could make a budget with legislators.
Pat Quinn cut education spending by 340 million during a year when he got to write the budget himself because the legislature couldn't pass one.
the confounding factor for young adults, i suppose, is that it's hard to be certain enough about future interests amid all the possibilities not yet forgone to stay the course without (understandable) alteration (i changed course a few times in college myself).