Did you know that the prestigious MIT has a website dedicated to open courses free to the public? From aeronautics to cognitive science to anthropology, your options are far from few. Complete with syllabi, readings, assignments, and projects, each course has everything you need to round out your online learning experience.
Since MIT's official open courseware site launch back in 2003, the number of visitors and available classes has met and surpassed the expected success of the program. But if MIT is not your style, feel free to check out these other highly regarded open university programs.
In this modern era, ignorance is no longer an excuse, it is a decision.