When the Education Bureau punishes the teacher, the headmaster doesn't need to be accompanied, because this is a personal punishment for him, and others don't need to be accompanied.

Article 8, paragraph 37 of the Teacher Law of People's Republic of China (PRC) stipulates that a teacher shall be given administrative sanctions or dismissed by his school, other educational institutions or educational administrative departments in any of the following circumstances:

(a) deliberately not to complete the task of education and teaching, resulting in losses to education and teaching;

(two) corporal punishment of students, the education is invalid;

(three) bad conduct, insulting students, bad influence. If a teacher falls under any of the circumstances listed in Items (2) and (3) of the preceding paragraph and the circumstances are serious enough to constitute a crime, he shall be investigated for criminal responsibility according to law.