It was established under the joint direction of Tatewaki KOMATSU (chief retainer), Hisanari MACHIDA (chief inspector and director of education) and Ichizo OKUBO (later Toshimichi OKUBO, secretary).
小松帯刀（家老）、町田久成（大目付・学頭）、大久保一蔵（後の大久保利通、側役）連名による。