For hundreds of thousands of people every year who dream of studying or researching in the United States, a student visa is the golden ticket.

Florida State University is the latest university in the state to confirm that several international students’ visas have been revoked. The university told the Miami Herald Monday that three students have lost visas. When a student status is revoked, the are no longer to attend courses or work legally under their student status.

More than 1,000 international students at 128 colleges and universities have had their visas revoked or their legal status terminated since mid-March.