President Donald Trump has reportedly set his sights on eliminating the U.S. Department of Education, a long-time Republican goal and promise from his campaign. The proposed plan, though, gives rise to a host of unanswered questions—not least of which is what happens to the 42-plus million Americans with federal student loan debt.

The White House is preparing an executive order that could disrupt a department doling out more than $ 120 billion a year in student aid.