Morton Ranch High School is a secondary school in the Katy Independent School District. It opened in 2004, and is located in unincorporated Harris County, Texas, United States. It is part of a multi-school complex, including Morton Ranch Elementary that opened in 2008 and Morton Ranch Junior High School that opened in 2003. The school serves many northern sections of Katy I.S.D., and has grades 9 through 12. The mascot is a Maverick.