College Clothes Reference Footer ***Not For Display*** Shirts here are targetting the school and general, maybe also general application to Washington DC studnets or events or related to District of Columbia. About AU: AU's more than 5,000 undergraduates are a microcosm of the world's diversity. From across the United States and from more than 150 countries, they share a desire to shape tomorrow's world. AU actively promotes international understanding, and this is reflected in its curricula offerings, faculty research, and the regular presence of world leaders on campus.