Teusch qualified as a teacher in 1910 and a
rector in 1913. In 1915 she became chairwoman of the ("Catholic Women Teacher's Association") in
Cologne. By 1918 she was head of the Women Workers' Secretariat at the ("General Secretariat of Christian Trade Unions") in
Cologne. After the
Nazi takeover in 1933 she returned to school, but retired on health grounds in 1936. She joined the Catholic resistance group
Kölner Kreis ("Cologne Cross"). Under the Nazis, she found refuge in the
Franciscan Hospital in Arnsberg-Hüsten and lived there incognito. From 1923 to 1965, she was the chairwomen of the German National Association of Catholic Girls' Protection Societies in
Freiburg im Breisgau. Her grave is in the Melaten Cemetery in
Köln-Lindenthal. ==Offices==