The Trump administration has revoked its permission for Harvard University to enroll international students, in a dramatic escalation of what the Department of Homeland Security says is an effort to curb antisemitism at the university.

American colleges are required by the Department of Homeland Security to be certified through its Student and Exchange Visitor Program to host international students. The program formally allows

The administration is forcing existing students to transfer to other schools or lose their legal status, while also threatening to expand the crackdown to other schools.