Randallstown High School is a public high school located in Baltimore County, Maryland, United States. It serves students in the Randallstown, Woodlawn, and Owings Mills areas. It is a part of Baltimore County Public Schools. Its primary feeder schools are Deer Park Middle Magnet School, Woodlawn Middle School, Sudbrook Magnet Middle School, Southwest Academy Middle School, Windsor Mill Middle School and Old Court Middle School.