Alan Krueger, chairman of the president's Council of Economic Advisers, warns that consumer spending will drop if Congress and the White House fail to reach a deal on spending cuts and tax increases. Jewel Samad/AFP/Getty Images hide caption

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In Durham, N.H., Oyster River Middle School seventh-graders Patrick Beary and Morgan Bernier play with StoryKit, a free app that helps middle-schoolers put together simple presentations, and elementary students make storybooks. Sam Evans-Brown/New Hampshire Public Radio hide caption

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Teachers interact differently with students expected to succeed. But they can be trained to change those classroom behaviors. iStockphoto.com hide caption

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Students work at the University of the People student computer center in Haiti. Students from 129 countries are currently enrolled with the institution. Courtesy of University of the People hide caption

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A bedtime story is a longtime tradition. What about a math, science or history quiz, though? George Marks/Getty Images hide caption

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Two students walk in front of Stanford Memorial Church on the Stanford University campus in Stanford, Calif. Paul Sakuma/AP hide caption

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