Lawndale School, also known as Cedar Grove Christian Academy, is a historic school building located in the Lawndale neighborhood of Philadelphia, Pennsylvania. It was built in 1903-1904, and is a two-story, three-bay, stone-faced brick building in the Colonial Revival style. Two two-story wings designed by Irwin T. Catharine were added in the 1920s. It features heavy stone sills and lintels and a crenellated parapet. It was added to the National Register of Historic Places in 1988.