Amherst Town Of--school Dept, Souhegan High School Milford, NH 03055 Phone : (603) 673-9940 Business Category Schools Government Offices-City Village & Twp Schools High & Preparatory Government Offices State & Local Schools-Senior High Government Offices & Public Schools Souhegan High School 412 Boston Post Rd Amherst, NH 03031 Phone : (603) 673-9940 Business Category Schools Schools-Public Schools-Senior High