Girl,I'm 14 and weight 178 lbs. and I'm 5'4 tall. I'm overweight and you are cosidered overweight too. when I was 11 I weihgted 140 lbs. There are many programs you could follow. But if you want to loose weigt at home it's going to take a while!But If You Really Want To Be Thin You Have To Try Hard And Don't Give Up No Matter What.