“What we’re seeing now is a combination of a leveling off and a big question mark as to where this long-term trend will go,” said Brian McKenzie, director of research at the Council of Graduate Schools. Unlike undergraduate enrollment, which has been on a steady decline, graduate enrollment has gone up over the last decade. Undergraduate numbers fell by 15 percent between 2010 and 2021, according to the National Center for Education Statistics, while graduate enrollment grew by 9 percent. That was fueled in part by a change in 2007 that let graduate students borrow up to the full cost of their educations, unlike undergraduates, who can borrow only a limited amount.