Cy-Fair High School is a secondary school located in Cypress, which is an unincorporated place in Harris County, Texas, near Houston. The school is located along U.S. Highway 290 and is part of the Cypress-Fairbanks Independent School District. Cy-Fair High School is the only CFISD high school with a hyphen in its official name.
Grand Prairie students/residents in the Mansfield ISD attend Mansfield Timberview High School, Lake Ridge High School or Mansfield High School in the Mansfield ISD or their feeder elementaries and middle schools. Timberview High School is located on State Highway 360 less than 100 yards (91 m) from the Grand Prairie city line.