Impostors at some universities pretend to be enrolled, but get no credits and can't graduate.
Student impostors are rare on college campuses, but they have popped up in recent years at universities across the United States, including Princeton, Yale and the University of Southern California. What motivates someone to go to school and attend classes without any prospect of getting credit? Some begin their charade to win approval from someone important, such as their parents. The deceit often starts in high school, when a student facing enormous pressure to get into an elite university.
