The kids are heading back to class and the thought of once again dealing with all their stuff can make even the most organized mom anxious. "Running a household is like running a small business," says Kim Cosentino, owner of The De-Clutter Box, an organizing company in Westmont, Illinois. "To keep things moving smoothly, you need to put efficient systems in place." Check out these tips to keep your house free from stacks of paper, coats, or sporting goods.