Why do Chongqing recruiting teachers have to be undergraduates?

The reason why Chongqing recruits teachers must be undergraduates is to examine teachers' learning ability. Teachers make a living by education, which is one of the oldest occupations in human society. Senior teachers need to have better learning ability to be competent for their work. The main city of Chongqing has strict requirements for academic qualifications, requiring preschool teachers to have college education or above; Primary and secondary schools require bachelor degree or above. Middle school teachers in districts and counties require undergraduate courses, primary school teachers require junior college or above, middle school teachers require undergraduate courses or above, and some announcements also require candidates to be normal students.