Harvard students take MIT courses regularly,” wrote Harry R. Lewis ’68, McKay professor of computer science, in an e-mail. “MIT has expertise and courses in certain fields in which we do not.” ...

TL;DR: You can find a wide range of free online courses from MIT on edX. Learn about everything from entrepreneurship to computer science, without spending anything.

Finally, says Regina Barzilay, professor of computer Science at MIT, lectures have very little discernable structure, making them difficult to break up and organize for easy searching.

And I was, literally, the first woman to get a first computer science Ph.D. at MIT. There were other women who got computer-science degrees at other schools before me.

Schools expanded the availability of foundational computer science classes, but stubborn gaps in access to those courses persist.