As you are saying that your uncle has adopted you that means they have your responsibility. Discuss this topic with your uncle. Ask him to talk to your aunt about your position. You can ask your uncle to admit you into a residential school or boarding school. No doubt, living in there is harsh. But, you don’t have any option as your aunt is directly distracting you from studying. As your parents being dead, you need to stay with them You just can’t run away anywhere from the home.