What does it mean to be an extra teacher?

1, supernumerary teachers, also known as substitute teachers, refer to temporary teachers who have no career establishment in public schools and are employed by the government education system outside the financial allocation, that is, post teachers, that is, temporary teachers.

2. Generally, the school recruits itself. Overstaffing means that there is no "hukou" in the unit. To put it bluntly, supernumerary teachers are temporary workers. Not only teachers have supernumerary staff, but also the four public service systems of science, education, culture and health have a large number of supernumerary staff.