His father, Sugawara no Koreyoshi, began a private school in his mansion and taught students who prepared for the entrance examination to the national school or who had ambitions to be officers of the court, including his own son Michizane.
Ayahnya, Sugawara no Koreyoshi, memulai sebuah sekolah swasta di mansion-nya dan mengajarkan para siswanya yang bersiap untuk tes percobaan menuju sekolah nasional atau yang berambisi menjadi pejabat dewan, termasuk putranya sendiri Michizane.