We've seen some of the greatest thinkers and entrepreneurs drop out of college, or just plain never go. And with the cost of attending a four-year university so painfully high, many are following in their footsteps. Thanks to on-the-job training, the following careers offer a competitive wage and also require no undergraduate degree — a win-win for everyone.

http://www.mindflash.com/blog/2011/12/infographic-on-the-job-training-jo...