Keystone Oaks High School

Keystone Oaks High School, built in 1969, is a public high school in the South Hills suburbs of Pittsburgh, Pennsylvania. It is the only high school in the Keystone Oaks School District. It is usually referred to as "KO." The main building of the high school was built in 1969, four years after the three suburbs of Green Tree, Dormont and Castle Shannon combined their students to form a common school district. The high school was built on a 43-acre (170,000 m) tract of land in neighboring Mount Lebanon, just outside the southwest border of Dormont. The site adjoined the Kelton Avenue Elementary School, which no longer exists. The name 'Keystone Oaks' refers to the merger of the three school districts: 'key' for the 'door' in Dormont;...