One month after Atlanta was rocked by revelations of a widespread school cheating scandal—nearly 200 teachers and principals admitted to tampering with standardized tests to raise students’ scores—Ms. Alford and her Toomer colleagues are bracing for some much more difficult questions from students this year, and a test of their own, the New York Times reports. Many students will know that two Toomer teachers admitted wrongdoing in the investigation, and that a former principal was implicated. Although all have either left voluntarily or are on administrative leave pending a procedural hearing, their actions echoed down the cinder-block hallways as the teachers prepared their classrooms for Monday’s new year…