East High School, usually referred to simply as East, is a secondary school located in Des Moines, Iowa, United States. East is one of the largest high schools in the state with 2,230 students. East is the oldest high school in the Des Moines metro and is part of the Des Moines Public Schools district.HistoryEast was established in 1861, but the current school building was not built until 1911. A new student center was added in 1955, with a new gymnasium, band and tech rooms, and a new cafeteria (which has since been replaced). The South Wing, which houses the school's library, was built in 1968, and the North Wing addition followed in 1973. A renovation of this building was completed on January 4, 2006.