The Education Bureau is a public institution. Now, anyone who enters a public institution must take a formal examination. Those who pass the examination are also contract workers, who sign once every few years. Therefore, if you don't take the exam, it will always be temporary.

If their unit is understaffed, they must report to their superiors. After passing the examination, you can enter the exam. This is the case now. Some people stayed up for seven or eight years before waiting for the exam.