In 1864, Kagenori became Kutoshi (a teacher of the elementary level) in 'Kaiseijo,' a Western studies education school, established by the Satsuma Domain and taught English to Arinori MORI (the first Minister of the Minister of Education, one of the Meiji six greatest educators, and the founder of the Commercial Training Institute [the present Hitotsubashi University]) and others.
元治元年（1864年）、薩摩藩が設立した洋学教育学校「開成所」にて句読師となり、森有礼（初代文部大臣・明治六大教育家・商法講習所【現在の一橋大学】の創設者）等に英語を教える。