New Trier High School is a public four-year high school whose main campus for sophomores through seniors is in Winnetka, Illinois, United States, with a campus in Northfield, Illinois, for 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 parts 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, the demonym for the people of Trier.