I am a senior three student. I was late for the sports meeting yesterday because I overslept. Our teacher said that he would stop my class for two weeks and transfer me to the last row.

Of course she has no right. You can talk to the teacher about this matter, take the initiative to admit your mistake, and write a review or something. But whether she agrees or not, you must go to class. In this critical period, you should know which is more important. If it really doesn't work, you can let parents negotiate, or you can talk to the principal or other teachers. I'm sure I'll let you have a class. The purpose of the teacher's suspension is to make you realize your mistakes, have a correct attitude and talk to the teacher. It should be no problem.