My classmates laughed at my poverty and felt that my self-esteem was gone. What should I do?

First of all, I want to comfort you. What hurts your self-esteem is the bad qualities of your classmates. Which means they don't consider your feelings. Such people don't respect you and are not important to you. So, don't care what they say. You really respect your family and friends. These are the people who should care, right?

Secondly, life is one's own, and people are not lacking in ambition. I believe you have the ability to work hard to achieve what you want and concentrate on what you want to do. Come on ~