Leander br/Williamson County, Texas br/30 34.432' N 97 51.267' W br/401 S. West Street br/br/Text: The origin of the Leander school system can be traded to the 1855 school held in Bagdad, the pre-Civil War community that disappeared after Leander was founded along the railroad. In 1893, a free public school opened in the new community. business leaders organized a high school association in 1899 to furnish support for the educational system. Students began graduating from Leander High School in 1931. Over the years, the schools have grown to accommodate increases in enrollment, while providing a vital service to the community.