56% of residents having obtained a bachelor's degree or higher, and 27% having obtained a graduate degree or higher. Decatur and adjacent areas are popular with the lesbian community thanks in part to the Indigo Girls, Amy Ray and Emily Saliers. The pair met in elementary school and started making music together in high school in Decatur. They both went on to Emory University and laid down roots in the community. Education Primary and secondary schools City Schools of Decatur, which serves only students within the city limits, holds pre-school to grade twelve, and consists of a pre-K early childhood learning center, five lower elementary schools, two upper elementary schools, a middle school, and a high school. Decatur High School is the district's sole high school. The Decatur City district has 224 full-time teachers and over 4,400 students from pre-K through grade 12. The DeKalb County School District serves unincorporated DeKalb County. The Roman Catholic Archdiocese of Atlanta operates St. Thomas More School in Decatur; it opened on September 1, 1950. At first it only had elementary grades and its initial enrollment was 150. A dedicated elementary building opened in 1955, and an addition for kindergarten classes with two rooms was placed in 1994. St. Peter Claver Regional School has a Decatur mailing address but is in nearby Candler-McAfee CDP. Colleges and universities Agnes Scott College Columbia Theological Seminary Georgia State University's Perimeter College DeVry University Emory University, northwest of Decatur, was located in unincorporated DeKalb County before being annexed by the City of Atlanta in 2017. Public libraries The DeKalb County Public Library system operates the Decatur Branch and is also the Dekalb County Library Headquarters. Government Decatur has operated under a Commission-Manager form of government since 1920. The Charter of the City of Decatur establishes the City Commission as the governing and legislative authority of the City government. A five-member City Commission is elected for four-year terms on two-year cycles. Two members are elected from the south side of the city, two from the north side and one is elected at-large. At their organizational meeting each January, the Commissioners elect a mayor and mayor-pro-tem from among their own membership for a one-year term. The mayor is not a separate elected office. The current mayor is Patti Garrett. Previous mayors have included Leslie Jasper Steele (1915), Jack Hamilton, Walter Drake, Mike Mears, Ann A. Crichton, Elizabeth Wilson, William Floyd,