How to become an earlybird in a week! PLZ HELP?

well i geuss i left it a little late to ask but school starts in like 6 days and i have to wake up at 6am every morning to get to school ontime so plz dont say go to bed at 8 oclock or anything like that cause iv been sleeping at about 10:30 for the last year so its become a habbit so please could someone tell me how i could wake up every morning ontime thanks. oh while im here what sport should i join? im 13 not a verry good runner or accurate(meaning i dont wana hit a ball with a bat) and kinda loose my breath easily cause i have chrones thanks :)