Harvard University is the latest school to implement a hiring freeze as federal funding remains uncertain. President Trump has threatened to cut federal funding for schools that allow "illegal" protests. Universities use millions of dollars in federal funding for student aid and research programs.

More than a dozen schools, including Harvard, MIT, Brown, and the University of Pennsylvania, have frozen hiring.

Universities across the U.S. have announced hiring freezes, citing new financial uncertainty as the Trump administration threatens a range of cuts to federal contracts and research grants. In February,