Merrimack Valley High School, located in Salisbury, New Hampshire, has a population of how many students?
Merrimack Valley High School: Merrimack Valley is a four-year high school located in Penacook, a village in the northern part of Concord, New Hampshire. Merrimack Valley High School:  The school has approximately 900 students and serves the communities of Andover, Boscawen, Loudon, Penacook, Salisbury, and Webster. Salisbury, New Hampshire: Salisbury is a town in Merrimack County, New Hampshire, USA.
approximately 900