. . . . "A score of school districts cover the bulk of Pima County. Almost a dozen are close to Tucson itself. See detailed PDF map of boundaries in the eastern half of the county. The most significant are Marana in the north-west, Vail in the south-east, and Tucson Unified in the middle."@en . "Tucson:Education"@en . "A score of school districts cover the bulk of Pima County. Almost a dozen are close to Tucson itself. See detailed PDF map of boundaries in the eastern half of the county. The most significant are Marana in the north-west, Vail in the south-east, and Tucson Unified in the middle."@en .