Generally speaking, as long as you are not caught cheating on the spot, you will not be punished.
Of course, if there is a substitute, as long as someone reports it, the school will check the handwriting of the final test paper, and it is possible to punish afterwards.
3, but if it is not a substitute exam, but ordinary cheating, then it will generally not be punished.
4. Because according to the relevant regulations of the Ministry of Education, candidates must have sufficient evidence, such as surveillance cameras. And give the candidate a chance to reconsider.
Now that I have graduated, the school won't punish me if I don't have enough evidence. But there is a premise that it should not become the focus of social attention.