Grafton High School is the name of several high schools:
AustraliaGrafton High School (New South Wales), Grafton, New South WalesUnited StatesGrafton High School (North Dakota), Grafton, North DakotaGrafton High School (Massachusetts), Grafton, MassachusettsGrafton High School (Virginia), Yorktown, VirginiaGrafton High School (West Virginia), Grafton, West VirginiaGrafton High School (Wisconsin), Grafton, Wisconsin reference