Attention: This thread is now outdated. Kerbal Academy is now maintained by @Mark Kerbin - new thread here:
Are you tired of your Kerbals not being able to reach the highest levels without planting a flag on Duna? Ever wondered how planting a flag on Minmus shows your engineers how to fix wheels? Enrol your Kerbonauts in the Kerbal Academy today!
What does this do?
Simply put, it's a series of contracts that will allow your Kerbonauts to advance their skillset, by actually doing