The Graduate School of Princeton University is the main graduate school of Princeton University. Founded in 1869, the school is responsible for all of Princeton's master's and doctoral degree programs in the humanities, social sciences, natural sciences, and engineering. The school offers Master of Arts (MA), Master of Science (MS), and Doctor of Philosophy (PhD) degrees in 42 disciplines. It also administers several pre-professional programs, including the Master in Finance (M.Fin.), Master of Science in engineering (M.S.E.), and Master of Engineering (M.Eng.), Master in Public Affairs (M.P.A.), Master in Public Policy (M.P.P.), and Master of Architecture (M.Arch.) degrees.