Since the foreign students are here on student visas, doesn't the U.S. government already have this information?
At this point I wouldn’t blink twice at a headline that says “Trump demands list of number and names of all states in the US”.
He'll have a fit when he goes down the list to read NEW Mexico.
There might be undocumented immigrants there. Not very likely, but maybe the future queen of Belgium can manage the paperwork for a Harvard application but fails at that for a student visa.
Next week he'll look for formula one drivers without driving licenses.