On November 29, 1875, Joe was able to secure a building to serve as a schoolhouse by renting about half the residence (the Takamatsu family villa) of Viscount Sasuzane TAKAMATSU, a court noble with whom Joe had been long and closely connected.
明治8年（1875年）11月29日、かねてより親交の深かった公家華族の高松保実子爵より屋敷（高松家別邸）の約半部を借り受けることが出来たので校舎を確保することが出来た。