supervisor of teachers; educational supervisor
A governmental position in Japan; a specialist who provides guidance and advice to teachers and school administrators, often employed by a board of education.
Educational supervisors visit schools to advise on improving lessons.
She has worked for many years as a prefectural supervisor of teachers.
指導教諭 is a senior teacher who mentors other teachers within a school, while 指導主事 is a governmental position outside the school.
教育委員会 is the board of education that employs 指導主事.
Compound of 指導 (guidance) and 主事 (person in charge). The exact historical derivation is uncertain; the term is a modern bureaucratic title.