Program Information The Hacienda La Puente Unified School District is one of the largest suburban school districts in California. The district offers a high quality, comprehensive education program for students from preschool to adult.\r\n\r\nOur kindergarten through 12th grade enrollment is more than 22,000 students who reside within the district's boundaries--the cities of Industry and La Puente, and the unincorporated Los Angeles County areas of Hacienda Heights and Valinda.