Thomas Worthington High School ("TWHS") is a public school in Worthington, Ohio. The school was named Worthington High School until 1991, when sister school, Worthington Kilbourne High School, opened. With approximately 1700 students, TWHS is the largest school in the Worthington City School District. Its mascot is the cardinal, and the school colors are red and blue. A map of the district divisions is located here.