Believe it or not, it is possible to get filthy rich without spending half of your life in school. And you don't have to be on a chest-baring reality show to do it. These wildly successful people did it, all without setting foot in grad school. Many of them never even earned an undergraduate degree. If you've got enough brains, you're willing to take risks, and you're just a tad cocky, consider following in their footsteps before you shell out hundreds of thousands of dollars for that pretty piece of paper.

Here are 8 all-star entrepreneurs who didn't bother with a Master's degree:

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