The State Department has ordered U.S. embassies to temporarily stop scheduling new student visa appointments, as the Trump administration works to expand social media screenings for applicants, the latest in a series of restrictions on international students.

the United States will start revoking visas of Chinese students, including those with connections to the Chinese Communist Party or studying in critical fields.

The uncertainty raised by the suspension of visa appointments will do further damage to the U.S. reputation as a destination country, said Fanta Aw, CEO of NAFSA, an association that represents inter...