It's a public research university in Toronto, Ontario, Canada. It is Canada's third-largest university. York University has approximately 52,300 students, 7,000 faculty and staff, and 295,000 alumni worldwide. It has eleven faculties, including the Faculty of Liberal Arts & Professional Studies, Faculty of Science, Lassonde School of Engineering, Schulich School of Business, Osgoode Hall Law School, Glendon College, Faculty of Education, Faculty of Health, Faculty of Environmental Studies, Faculty of Graduate Studies, the School of the Arts, Media, Performance and Design (formerly the Faculty of Fine Arts), and 28 research centres. York University participates in the Canadian Space Program and is home to Canada's only space engineering program. The Faculty of Science and Lassonde School of Engineering are Canada's primary research facility into Martian exploration, and have designed several space research instruments and applications currently used by NASA. York has pioneered several PhD programs in Canada, including women's studies. The School of Social Work is recognized as having one of the most socially responsive programs in the country. York's psychology program is the largest in North America. York University's business school and law school have continuously and consistently been ranked among the top schools in Canada and the world. York University's Film Department houses Canada's oldest film school and has been ranked one of the best in Canada, with an acceptance rate comparable to that of USC School of Cinematic Arts and Tisch School of the Arts.