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In the autumn of 1913 Dietrich, like his brothers, went to Friedrich Werder Gymnasium. Despite the scientific bent of their father and the older brothers, as a matter of course all the children, including Christine attended schools with a strong humanities curriculum. Dietrich had shown occasional signs of nervousness and shyness earlier, and was initially quite unhappy on his way to school, but this soon changed. He was put in the eighth form, and found the work child’s play. In his 1915, New Year’s diary his father wrote: “Dietrich does his work naturally and tidily. He likes fighting, and does a great deal of it. 

Eberhard BethgeDietrich Bonhoeffer: A Biography (Revised Edition); Chapter 1: Childhood and Youth: 1906-1923, 24.