In 1873, an elementary school was set up in the Inoue family's estate as the first one in the district, and Inoue, at the age of 14, became a teacher at the school by the request of the villagers.
1873年、井上家の所有地内にその地区で初めて小学校が設けられたが、当時14歳の井上は村人に請われその学校の教師となっている。