The Williston Northampton School, or "Williston," is a private co-educational preparatory school for boarding and day students in seventh grade through postgraduate year located in Easthampton, Massachusetts. The 125-acre campus offers a range of extra-curricular activities in the arts and athletics. Located in the Pioneer Valley, the school is within 15 miles of Amherst, Smith, Mount Holyoke, and Hampshire colleges as well as the University of Massachusetts Amherst.