Saneyori was very much versed in Yusoku kojitsu and established his own school for Imperial court rules, Ononomiya School, according to the kyomei (document written by Imperial Prince, Crown Prince, and other Imperial members) of his father Tadahira (Tadahira's kyomei were compiled by Saneyori and published as "Ononomiya kojitsu kyurei").
有職故実に詳しく、父忠平の教命を受け（忠平の教命は、実頼が『小野宮故実旧例』として纏めた）、朝廷儀礼のひとつである小野宮流を形成した。