Secondly, if you choose to make such a big change in order to escape from the existing environment, then I can tell you that under the current education system, almost all schools in China are the same (of course, the teaching in universities will be slightly better, after all, the academic atmosphere is heavier, but even if you change units in an environment like primary school, it is basically a new model).
Third, the work of a head teacher is a laborious job, especially if you are still a primary school head teacher. The head teacher is responsible for the children's courses, safety, coordination with teachers and communication with parents, unless you make such preparations.
The above three points are for reference only. I am a college professional teacher and also a class teacher. Ten years ago, when I was an undergraduate, I had dealings with primary school students. I know it's not easy to be a primary school teacher. I hope you will consider changing careers from your major and hobbies. Interlaced scanning is very important in professional teaching.