"This Can't Be Happening at Macdonald Hall!" is a children's novel by Gordon Korman that follows the adventures of two mischievous boys, Bruno Walton and Boots O'Neal, who attend a boarding school. The story revolves around their attempts to navigate the challenges of school life while dealing with the strict rules imposed by the headmaster, Mr. Sturgeon. As the boys concoct various schemes to outsmart their teachers and avoid trouble, they inadvertently create chaos at Macdonald Hall. Their antics lead to humorous situations, showcasing themes of friendship, creativity, and the importance of being true to oneself.