According to your description, you should be severely obese, eat more vegetables, exercise more and eat more fruits. If your home and school are far away, you'd better ride a bike. Remember, don't overeat and eat more fried foods, such as hamburgers, chicken legs and French fries. And you can't eat any more. Can't drink cola, sprite and other drinks. In this way, you can completely lose weight and grow taller. I hope you can slim down. Don't believe those diet pills, which are bad for teenagers. Also, if possible, increase the number of three meals a day, five meals a day and seven meals a day, but reduce the amount of food for one meal. If you can do this, you can definitely lose weight!