i am really sorry to hear you are having trouble at school but i think i can help you
the best thing you can do is ignore the bullies when they call you names and do not show that you are upset. if you ignore them they will get bored and leave you alone you can also join some after-school clubs. you can also join some after-school clubs. this way you will meet people with the same interests as you and make new friends.
i really hope my advice helps and everything gets better soon.