Answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Dubuque Senior High School -  Dubuque Senior High School (commonly Senior or DSHS) is a four-year public high school located in Dubuque Iowa. It is one of three high schools in the Dubuque Community School District and enrolls 1447 students in grades 9-12. Senior was founded in 1858 and is the oldest secondary school in Dubuque. The school's mascot is the Ram; it competes at the state level in class 4A (which contains the state's largest schools) and is a member of the Mississippi Valley Athletic Conference.
Answer:
Educational Institution