Taking another year for school is not a big deal. Heck, it is a lot easier to get intern and coop jobs while you are in school, and participate in programs like

Taking another year for school is not a big deal. Heck, it is a lot easier to get intern and coop jobs while you are in school, and participate in programs like Google Summer of Code, than it is to get a full time full pay job after. That said, if your side business has traction, ditch school. If you have traction you can get funding pretty much, and work on your own idea.