Hylton or Hylton High School, is a public high school located in Dale City in Prince William County, Virginia, United States, and part of the Prince William County Public Schools division.

The school is named after real estate developer Cecil D. Hylton, who built thousands of homes in Dale City, Virginia and surrounding areas.

Cecil D. Hylton donated the land that the school grounds are currently using.

[2] In 2013 Michael Alison Chandler of The Washington Post wrote that C.D.

"[3] CISL (pronounced "sizzle") is the Center for International Studies and Languages at Hylton High School, founded by Margaret Holt.