The United States remains the world's top destination for international students. A record 819,644 studied at American colleges in 2012-13, an increase of 7.2 percent, according to new data from the Institute of International Education's annual "Open Doors" report. Still, only 3.9 percent of students on American campuses are from overseas. The graph to the left shows students … [Read more...] about Report Shows U.S. Universities Increasingly Enroll the World