1 If you are an undergraduate student, you're paid by the hour. 2  If you are a graduate or professional student, you're paid by the hour or by salary, depending on the work you do.  Your school must pay you at least once a month.
IAD Airport is located within both communities of Chantilly and Dulles, Virginia, but is 26 miles west of the central business district of Washington, D.C.
Dulles, Virginia. Dulles is an unincorporated area located in Loudoun County, Virginia, which is part of the Washington metropolitan area. The headquarters of Orbital ATK, GeoEye, and ODIN technologies and the former headquarters of MCI Inc. and AOL are located in Dulles.