Plymouth Regional High School includes students from a town in Grafton County, New Hampshire that had a population of 247 in what census year?
Plymouth Regional High School (New Hampshire) Plymouth Regional High School (PRHS) is a public secondary school in Plymouth, New Hampshire, United States. Surrounding towns that attend PRHS are Ashland, Holderness, Campton, Rumney, Wentworth, Warren, Ellsworth, Waterville Valley and Thornton. Bruce Parsons is the current principal. The facility, opened in 1970, is located on Old Ward Bridge Road in Plymouth. It also housed Plymouth Elementary School until 1990. Plymouth Regional was known as Plymouth Area High School until 1991. The school colors are navy blue and white.
Merrimack County, New Hampshire Merrimack County is a county in the U.S. state of New Hampshire. As of the 2010 census, the population was 146,445, making it the third-most populous county in New Hampshire. Its county seat is Concord, the state capital. The county was organized in 1823 from parts of Hillsborough and Rockingham counties, and is named for the Merrimack River.