As a couplet in a poem titled 'Anraku-ji ni sanzu' (Visited Anraku-ji Temple) (contained in "Honcho zoku monzui" (Further Anthology of waka poems and prose written in classical Chinese) composed by OE no Masafusa in 1100 to Anraku-ji Temple (SUGAWARA no Michizane's mortuary temple located in Dazaifu) had it 'Ruiyo roka no matsuyo tari' (I was the last leaf in a heap of leaves in the hallway), it could be estimated that the school had been kept by generations of the Monjo hakase of the Sugawara clan and at least until the late Heian period.
大江匡房が康和2年（1100年）に、安楽寺（大宰府にあった菅原道真を弔う寺）に「安楽寺に参ず」（『本朝続文粋』所収）という詩を作り、その中で「累葉廊下の末葉たり」とあることから、少なくても平安時代後期までは菅原氏代々の文章博士によって継続されていたと考えられている。