The Balsillie School of International Affairs (BSIA) is a centre for advanced research and teaching on global governance and international public policy, located in Waterloo, Ontario. As one of the largest social sciences initiatives in Canada, the school is a collaborative partnership between the University of Waterloo, Wilfrid Laurier University, and the Centre for International Governance Innovation. The BSIA is an affiliate member of the Association of Professional Schools of International Affairs, a group of schools that educate leaders in international affairs. The BSIA is housed in the north and west wings of the CIGI Campus. Admission to BSIA is highly selective.