1925 postcard photo of the Allentown Preparatory School. A private school run by the Lutheran Church, the school's original location was in downtown Allentown at Fourth and Walnut Streets. The school moved to this new building in the West End in 1916 on the Muhlenburg College campus. The Allentown Preparatory School closed its doors in 1939, and today the building is known as Brown Hall and is used as a dormitory by Muhlenburg College.