I despise my mom, what should I do?

Hey, even if you had been bad you do NOT deserve to be beaten that way by your mother or anyone. I don't know how old you are but if you are underage you can call the police and they will call child services. You wouldn't be living on the streets as you are underage, so you WILL have a place to sleep. You could even stay with a friend for a week or two until the police are done dealing with your mother. If this isn't the direction you want to go in then that's okay, because I know it can be scary to call the police on a parent. I would then recommend you tell a trusted teacher or school counselor. They can give you information on the options you have. I'm sorry this happened to you, good luck xoxo.