Kahn Academy was a God-send for me. I didn't even have a high-school level of maths before I managed to find my way into an Engineering degree. I learned all of High-school maths and a lot of university level maths in the space of a few months thanks almost totally to the excellent instruction available through Kahn Academy.
Many universities make researchers/professors teach. Some of them do an excellent job because they give a damn, or are passionate about sharing (as opposed to selfish and arrogant which many scientists are). Many of these lecturers are in academia because that's what they personally are good at - and so they don't understand how to teach people who aren't as naturally suited to the subject they are teaching as they were. They don't know what *normal* people find difficult or else they assume they know but completely miss the mark.
Nearly every single mathematical person I have met utterly fails at communication, as I have only found two: a really gifted guy who breezed through university maths and is currently working on his PhD and Salman Kahn of Kahn Academy who is the best communicator of mathematical concepts I have ever found - hands down. He seems to know what normal people find hard and even pre-emptively answers your questions right as they pop into your head.
This only reinforces how outdated the model of university education is and how poor value the university education itself generally is. Normal people can find higher quality resources online and consume them quickly and efficiently and apply them the next day. Instead of spending tens of thousands of dollars and 2+ years getting a fairly poor imitation of a "T-shaped" education I think the real solution is to set up strong learning resources (online and meatspace workshops) and allow people to cheaply sit certification tests (and portfolio checks) on university-level subjects. People can build their core education as narrow and tight as needed and expand the "arms" of their education out as far as needed in a dynamic fashion which suits this ever-changing world. Hey, if a person completes a whole degree in this fashion they can sell good-ole' degree certificates too!