Doris Engel is the class teacher of Nina, Delia, Mara, Luzy, Felix, Magnus, Daniel, Kaya and others. She teaches French,German and History. In the Season 2 has been known which is Doris Altrichter, and guidance counselor at the Alexander von Humbolt School. In the episode A feast for Victor became clear that she has no affair with the headmaster and her current husband, Hubert Altrichter. Luzy, Charlotte and Max have used as a main theme for the school newspaper Hermes. In episode 233, episode 234, marries Doris Engel, Hubert Altrichter. Since then she is Doris Altrichter. Since Episode 242 She also teaches history.