the teachers are: Sanami Shinazugawa, Shinobu Kocho, Giyuu Tomioka, Rengoku Kyojiro, Kanroji Mitsuri, Obanai Iguro, Gyomei, and Tengen Uzui along with Kanae kocho students are: Tanjiro and Nezuko Kamado, Tokito Muichiro, Inosuke Hashibira, Genya Shinazugawa, Zenitzu Agatsuma, and Kanao Tsyuri we are all at the demon slayer academy where all Hashira's are teachers (besides Muichiro hence his age) (all the upper moons are Senior students)