The Trump administration has revoked hundreds of student visas in nearly every corner of the country as part of a vast immigration crackdown – and few universities know why. More than 1,000 international students and recent graduates at more than 130 schools in the US have had their visas or statuses revoked in the Student and Exchange Visitor Information System this year,

The speed and scope of the federal government’s efforts to terminate the legal status of international students have stunned colleges and universities across the country.