Timberlane Regional High School is located in Plaistow, New Hampshire, and serves the towns of Atkinson, Danville, Plaistow, and Sandown, New Hampshire. The school was built in 1966 and is a part of the Timberlane Regional School District. A co-educational school for grades 9-12, and winner of the 1996, 1997 and 2014 Excellence In Education Award, the school has a current population of approximately 1,413 students.