North Allegheny Senior High School (NASH) is a suburban high school in the North Allegheny School District and is located in Wexford, Pennsylvania, a northern suburb of Pittsburgh, Pennsylvania. The current building was built in 1974. In 2013, enrollment was 1,277 pupils in grades 11th and 12th, with 3% of pupils from a low income home. In 2013, North Allegheny Senior High School employed 98 teachers.