Souhegan High School (/saʊˈhiːɡɵn/ sow-HEE-gən) is a Coalition of Essential Schools high school located in Amherst, New Hampshire. Students from Amherst and Mont Vernon attend Souhegan for 9th through 12th grades. There are approximately 870 students and over 160 faculty members. The name is derived from the Souhegan River, which adjoins the school property and the Souhegan Valley region of New Hampshire (which was, in turn, also named for the river).