When I first entered the class, a boy was very cold to me and even read my jokes when I met something bad. How should I deal with his domineering attitude in front of me? ...

For this kind of person, you can't use hard means. First of all, you should ignore him. Since we are new here, we should first get on well with other students and make friends with each other. We shouldn't play tricks. So you have the support of your friends. Then study hard so that the teacher will support you.