Glencoe High School is a public secondary school in Hillsboro, Oregon's Hillsboro School District. It was founded in 1980 to help control the growing density of Hillsboro High School due to the city's rapid expansion, and is the second oldest of the four high schools in the city. Glencoe is classified as a 6A school for activities and sports. It takes its name from the former community of Glencoe, which lends its name to a road of the same name, where the school is located.