Complex sentence: The School of Media and Public Affairs is housed in the Media and Public Affairs building at 805 21st St, NW, which additionally houses the Graduate School of Political Management and the Trachtenberg School of Public Policy and Public Administration (SPPPA).
Split into simpler sentences: The School of Media and Public Affairs is housed in the Media and Public Affairs building at 805 21st St, NW. It additionally houses the Graduate School of Political Management and the Trachtenberg School of Public Policy and Public Administration (SPPPA).