Some advice from a person who is in their last year of flying:
1. Enjoy your time at school. Enjoy your time at home and with your friends.
2. Keep fit. Playing team games is a very worthwhile pastime for body and soul.
3. Study hard and do the very best you can in your exams. Get a degree if possible as that will make you a more rounded person.
4. By the time you leave university you will know whether or not you still wish to go flying.
5. In six or seven years from now the world will have changed again but advice given in Steps 1 to 3 will still be valid.
6. If you decide to go flying now you will have worked out how to do it. But if you choose not to, you will be well prepared for your future life.
Best of luck,
PM
ps. Stay off social media and the internet. There is a far more interesting real world beyond!