Complex sentence: She attended high school at Hellenstein-Gymnasium Heidenheim until 1980 after which she completed a two year internship with Augsburger Allgemeine where she subsequently worked as an editor from 1982 to 1984.
Split into simpler sentences: She attended high school at Hellenstein-Gymnasium Heidenheim until 1980. After high school, Gräßle completed a two year traineeship with Augsburger Allgemeine where she subsequently worked as an editor from 1982 to 1984.