One afternoon in the spring of 2006, Damany Lewis, a math teacher at Parks Middle School, in Atlanta, unlocked the room where standardized tests were kept. It was the week before his students took the Criterion-Referenced Competency Test, which determined whether schools in Georgia had met federal standards of achievement. The tests were wrapped in cellophane and stacked in cardboard boxes. Lewis, a slim twenty-nine-year-old with dreadlocks, contemplated opening the test with scissors, but he thought his cut marks would be too obvious. Instead, he left the school, walked to the corner store, and bought a razor blade. When he returned, he slit open the cellophane and gently pulled a test book from its wrapping. Then he used a lighter to warm the razor, which he wedged under the adhesive sealing the booklet, and peeled back the tab.

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