Crestwood High School is a public high school in Mantua, Ohio, United States. It is the only high school in the Crestwood Local School District and since the 2021–22 school year serves students in grades 7 through 12. Their athletic teams are known as the Red Devils.

State championships

• Boys Wrestling – 1976
• Girls Track and Field – 2006
• Girls Softball – 2003

Notable alumni

• Bridget Franek (Class of 2006), Olympic athlete in middle-distance running
• Jack Lambert, professional football player in the National Football League (NFL) and member of the Pro Football Hall of Fame