Please answer the following question: Lancaster High School (Ohio) - Lancaster High School is a secondary-level public high school located in Lancaster Ohio and is the only high school within the Lancaster City Schools district. The current building was opened during the fall of 1963 at a cost of $3198991.87. Currently the building houses grades 912 a recent change due to the failure of multiple bond and levy issues voted down in local elections forcing the closure of the freshmen-only Stanbery Campus of the high school. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Educational Institution