'World's best teacher' does not believe in tests and quizzes

For 25 years, Nancie Atwell has run a small, independent K-8 school in Maine, where the goal is not just teaching young students, but also teachers. At the Center for Teaching and Learning, the school day is driven by a simple motto: let kids have choices. Now Atwell's work and philosophy have earned her education's highest honor, the Global Teacher Prize. The NewsHour's April Brown reports.
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