The Union School is a historic school building at 174 Center St. in West Haven, Connecticut. It was designed by architect Leoni W. Robinson and built in 1890, when the area was still part of Orange. It is a two-story brick building with terra cotta and East Haven red sandstone trim, and a hip roof. A nearly identical addition was added to the rear in 1914. It has been converted to senior housing.The school was West Haven's first large, modern, brick school building. It served for generations as a grammar school and was also a high school for 35 years.The building was listed on the National Register of Historic Places in 1987.
