Charles Schaeffer School, also known as the Seventh Day Adventist Church, is a historic school building located in the Germantown neighborhood of Philadelphia, Pennsylvania. It was built in 1876, and is a 3 1/2-story, schist building in the Gothic-style. It features brownstone trim, a pedimented gable roofline, molded cornice with decorative brackets, and a three-story projecting front section added in 1914. It was added to the National Register of Historic Places in 1986.