Alexander Dallas Bache School is a historic school building located in the Fairmount neighborhood of Philadelphia Pennsylvania. It was designed by Lloyd Titus and built in 1905-1906. It is a three-story L-shaped stone building in the Romanesque-style. It features a central projecting gable elaborate arched window. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Building