The Department of Architecture offers several degrees that all follow the department's mission to advance architecture through responsible practice, the development of architectural knowledge, and service to local and global communities. The undergraduate degree is a four-year B.A. in Architectural Studies. The accredited M.Arch. comprises two streams: candidates with a B.A. or B.S. in architecture join the two-year program; those with degrees in other fields join the three-year program. The department also offers a one-year Post-Professional M.Arch. The M.S. in Architecture includes concentrations in Design Computing and Architectural History/Theory. The College of Built Environments offers a Ph.D. in the Built Environment.