Lammersville Unified School district (LUSD) (formerly known as Lammersville Elementary School District) is a pre-kindergarten through twelfth grade unified school district in Mountain House, California, which serves the area west of Tracy and parts of Alameda County.[1] The district was created when majority of voters in the Lammersville and Mountain House area passed a measure to separate from Tracy Unified School District in a special election on June 8, 2010.[2] It became an independent school district on July 1, 2011.[3]