Hello it is the time for you to grow, during the adolescent age that a person will be having high levels of growth hormone. You can grow up to ~21 years. Growth not only depend on your genetics but also on environmental factors. So don't worry, Eat high proteinesous foods, do jogging skipping, pull ups, join gym, sleep well at night, good sleep increase growth hormone levels, play tennis, volleyball, or basket ball, all helps you to grow.