Edited sentence: Both battle every year for supremacy of the "Fractional Line".It has been called the high school version of the Chicago Cubs (North Side) & Chicago White Sox (South Side) Rivalry.North has been well known for it's neverending rivalry against Thornton Fractional South High School which has gone on to be the largest known High School rivalry in the Chicagoland area, with T.North's Mascot, The Meteor.South having a boulder on their front lawn, which was taken from T