Established in 2000, Thomas Hart Middle School includes more than 96,000 square feet of buildings on a prime 19.6-acre Hacienda site at Willow Road and West Las Positas Boulevard. Thomas Hart, the man, was both a teacher and an administrator in the Pleasanton Unified School District. He joined the district as a teacher in 1950, and served in various key positions for 25 years. He was superintendant when he died of cancer in 1975.