In his later years, HORI also left achievements in education field by establishing Hokumei Gakko (it later became Hokkaido Sapporo Minami High School) with his private expense and provided higher education with Inazo NITOBE, who was invited from Sapporo Agricultural College.
晩年は私費を投じて北鳴学校（後の北海道札幌南高等学校）を開き、札幌農学校の新渡戸稲造を迎えて高等教育を行うなど教育分野にも実績を残した。