On December 20, 1933, the original structure of Thornton Fractional North High School (which originally opened in Calumet City, Illinois in 1926 under a different name) was destroyed by fire.
North, TF North, TFN) in Calumet City, Illinois first opened its doors in March 1926 as Thornton Fractional Township High School. 1926 On December 20, 1933, the original school structure was destroyed by fire. 
