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):  Surrounding towns that attend PRHS are Ashland, Holderness, Campton, Rumney, Wentworth, Warren, Ellsworth, Waterville Valley and Thornton. Waterville Valley, New Hampshire:  The population was 247 at the 2010 census.
i don't know