Spring is a census-designated place (CDP) within the extraterritorial jurisdiction of Houston in Harris County, Texas, United States, part of the Houston–The Woodlands–Sugar Land metropolitan area. The population was 62,559 at the 2020 census. While the name "Spring" is popularly applied to a large area of northern Harris County and a smaller area of southern Montgomery County, the original town of Spring, now known as Old Town Spring, is located at the intersection of Spring-Cypress and Hardy roads and encompasses perhaps 1 square kilometer (0.39 sq mi).

Klein Independent School District is a school district that covers 87.5 square miles (227 km2) in Harris County, Texas, United States. It became an independent school district in 1938. Almost all of the territory is unincorporated; a small portion of Houston is within the district. In the 2020–2021 school year, Klein ISD had 52,824 students. Klein ISD is part of the taxation base for the Lone Star College System. As of 2022, Jenny McGown is Superintendent of Schools.