Changes in Visa Processing Cause Headaches for Colleges and Their International Students

An unannounced change in how customs officials process visas for incoming international students is causing major headaches just as tens of thousands of them arrive in the United States for the start of the academic year.

Beginning earlier this month, U.S. Customs and Border Protection stopped its practice of stamping the visa documents of foreign students entering the country, as part of a shift from a paper-based to an electronic immigration system. But the bureau, part of the U.S.