Eastland High School, also known as Eastland, or EHS, is a public four-year high school located at 500 School Drive in Lanark, Illinois, a small city in Carroll County, Illinois, in the Midwestern United States. EHS serves the communities and surrounding areas of Lanark, Lake Carroll, Georgetown, and Shannon. The campus is located 25 miles north of Sterling, Illinois, and serves a mixed small city, village, and rural residential community.