1 year ago no in 13 so i cant move out :@ and the gcse results were exactly the same Best Answer - Chosen by Asker You can show your mom how mature you are by keeping your cool in discussions regarding your school. Make sure not to insult your sister, at all, for a while and when you are discussing the school subject. Test your sister and pretend as if you are beginning to dislike the school "down the road". If your sister starts to talk poorly about the school she previously recommended then that means you should keep pretending you want to go to the other school. If she doesn't respond in that manner, then just simply show how mature you are to your mother. It helps me a lot when I want to convince my mother. Make sure you understand your mother's perspective as to why she thinks the school is rubbish and won't let you attend. That way, you can contradict her thinking and give her valid reasons as to why you SHOULD go to the school down the road. For example: its way closer than the other school. Its like debating: you have to understand the other argument and point of view in order to oppose them and have a greater chance of "winning". Good luck (: Other Answers (6) I think that you are capable of making your own decisions about which school you wnat to go to. But consider as well why your