First of all, you should understand that baboons are large animals, that is, monkeys.

Your classmates gave you such a nickname. Maybe your figure is more flexible, and your classmates gave you a nickname according to your appearance.

This nickname is disrespectful to people. You can protest to them or explain the situation to the teacher, and ask the teacher to help stop this behavior and the psychological harm caused to you. In addition, the teacher told the students that it was impolite to give them nicknames.

You should also pay attention to this kind of behavior, and you can't give your classmates nicknames.