Meanwhile, in kidendo, SUGAWARA no Kiyokimi and then his son SUGAWARA no Koreyoshi served as Monjo hakase and privately established master and apprentice relationships with monjosho (called Kanke Roka), and there was an academic faction conflict with MIYAKO no Yoshika and KOSE no Fumio who opposed the idea of Kanke Roka.
この頃、紀伝道においては、菅原清公・菅原是善父子が相次いで文章博士を務めて私に文章生と師弟関係を結び（「菅家廊下」）、これに反発する都良香・巨勢文雄らとの間で一種の学閥争いが生じていた