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ATLANTA -- The trial of a former Atlanta Public Schools administrator charged in the CRCT cheating scandal will resume Monday morning.

Tamara Cotman oversaw 21 schools, including 15 flagged for cheating.

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Cotman is accused of trying to stonewall investigators and allegedly instructed one principal to tell the Georgia Bureau of Investigation to "go to hell."

Former Governor Sonny Perdue, who ordered the investigation into APS, is expected to be among those testifying this week.