There's been a fair amount of interesting talk about offering college courses via mobile phones. Here's an article from the Guardian on mobile learning in elementary and high schools:

According to the LSDA, mobile phones can have a positive impact on learning, particularly for students who find traditional teaching methods difficult to deal with. Jill Attewell, the programme manager for the m-learning project, points out that "most kids have a mobile phone and it's already a big part of their lives. So, if we can use that enthusiasm to get them involved with their learning activities, it can only be a good thing." Schools in the UK have already started to take advantage of their pupils' fascination with all things digital. Wren's Nest primary school, located in the west Midlands, has implemented a project where pupils are given PDAs. So far, it's proven successful.

...via Smart Mobs