Conversation so far:
When was Rudolf Steiner born?
Rudolf Steiner was born February 1861.
Did Rudolf Steiner receive formal education?
In 1869, Rudolf Steiner's family moved to the village of Neudörfl and in October 1872 Steiner proceeded from the village school there to the Realschule in Wiener Neustadt.
Did Rudolf Steiner also attend college/university after the Realschule in Wiener Neustadt?
In 1879, Rudolf Steiner's family moved to Inzersdorf to enable Steiner to attend the Vienna Institute of Technology.
Where did Rudolf Steiner attend university?
In 1879, Rudolf Steiner's family moved to Inzersdorf to enable Steiner to attend the Vienna Institute of Technology.
Did any of Rudolf Steiner's professors have an impact on his life?
Rudolf Steiner's teachers, Karl Julius Schröer, suggested Steiner's name to Joseph Kürschner, chief editor of a new edition of Goethe's works.
Was Joseph Kurschner important in Rudolf Steiner's life?
Joseph Kürschner asked Rudolf Steiner to become the edition's natural science editor, a truly astonishing opportunity for a young student without any form of academic credentials or previous publications.

Question: What interesting detail of his education do I need to know about?
Self-contained rewrite: What interesting detail of Rudolf Steiner's education do I need to know about?