Jesús Alejandro Espinosa, 18, was one of 8,931 students who live in Mexico and attend schools, conservatories, seminars or colleges in the United States with F-1 student visas.

PAULA OSPINA/NYT INSTITUTE

Jesús Alejandro Espinosa, 18, was one of 8,931 students who live in Mexico and attend schools, conservatories, seminars or colleges in the United States with F-1 student visas.