The Great Brain at the Academy, by John D. Fitzgerald, was published in 1972 by Dial.
Everyone knew that Tom Fitzgerald, alias the Great Brain, would get into trouble when he went off to school at the strict Catholic Academy for Boys in Salt Lake City. But no one—including Tom—knew just how much. His tongue got him into fifteen demerits’ worth of difficulty the very first day, but his great brain refused to be defeated as Tom set out to outwit the eighth grade, the superintendent, and finally the bishop of the state of Utah. Whether it’s running an illegal candy store or earning a reputation as the fastest potato peeler in the world or introducing the newfangled sport of basketball at the academy, Tom’s great brain never falters. And his money-making schemes rise to new heights—or depths—faced with the challenge of rigorous boarding-school life.