Am i really overweight?

Um yes you are. Your bmi is 27 which is almost obese. I'm your height and age almost 17 and I weigh 110 and I'm not super skinny. I would skip out the junk foods and drink only water. Eat lean protein and do cardio for 30-60 min everyday. Eat lean protein and lots of fruits and veggies. Aim for 130. Good luck :)