New Trier High School is a public four-year high school, with its main campus for sophomores through seniors located in Winnetka, Illinois, United States, and a campus in Northfield, Illinois, with first-year classes and district administration. Founded in 1901, the school serves the Chicago suburbs of Wilmette, Kenilworth, Winnetka, Glencoe, and Northfield as well as portions of Northbrook, Glenview, and unincorporated Cook County. New Trier's seal depicts the Porta Nigra, a symbol of Trier, Rhineland-Palatinate, Germany. The athletic teams are known as the Trevians, an archaic demonym for the people of Trier.