In response to the growing interest of education, the Oie School explosively spread as it was used in the textbooks for common citizens, such as oraimono (textbooks of letter format), in terakoya (temple elementary school) in the Edo period.
江戸時代には教育熱の高まりとともに、寺子屋などで庶民が学ぶ往来物などの教科書でも御家流の書が用いられていたことから、爆発的に普及。