The School of International and Public Affairs at Columbia University (SIPA) is the international affairs and public policy school of Columbia University, a private Ivy League university located in Morningside Heights, Manhattan, New York City. It is consistently ranked one of the top graduate schools for international relations in the world. SIPA offers Master of International Affairs (MIA) and Master of Public Administration (MPA) degrees in a range of fields, as well as the Executive MPA and Ph.D. program in Sustainable Development.