The number of Vietnamese students enrolled in U.S. institutions of higher education jumped by nearly 1,500 from 4,597 to 6,036, a 31.3% increase over the 2005/06 academic year. This information is from Open Doors 2007, the just released annual report on international academic mobility, published by the Institute of International Education (IIE) with support from the US State Department's Bureau of Educational and Cultural Affairs.