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Welcome to Castaic School District

Castaic Union School District is a suburban school district located in the Santa Clarita Valley, in the northern portion of Los Angeles County. Castaic serves nearly 2,500 students in grades kindergarten through eight in four schools. We also offer transitional kindergarten and preschool opportunities. Castaic students attend Valencia High School in the William S. Hart Union High School District. The Hart District is planning to build the Castaic High School for a potential opening in 2019. The District employs 110 certificated, 124 classified, 16 confidential, and 12 administrative personnel.