“Foreign students have one of the highest rates of overstaying visas of any category — much higher even than tourist visas. It’s one of the favorite visas for terrorists to try to obtain, because it offers a longer duration of stay.” — Jessica M. Vaughan, the director of policy studies for the Center for Immigration Studies.
Worse, jihadists do not even need to obtain a university admission to set foot in the US. They can get a student visa by obtaining an admission from a school to learn English. Many of these Islamists can alter their area of study once they set foot in the US.
Don't see this being a problem. No reason to "close this loop-hole." But we must close the "gun show loop-hole."