Is highschool worth it? No, and here's why

As a 9th grader, please consider the idea that there is more to education and life than just making money. Like, good luck with your project, it sounds like you could definitely pull it off....but that's like saying you see no point in staying in school because you're already shaping up to be great at competitive sports or dancing or whatever you're interested in. It's just an activity, not an end in itself.

Self-control at any age is hard for most people but for a 15yro is even harder so I think you should continue with school but define your curriculum. Talk to a counselor and define a plan. I thought high school was a complete waste of time but that was mainly due to the curriculum that was being pushed on me. I went to the process of defining my schooling then I was able to make the best of it. Your teen years are the best time to learn new stuff so don't waste the opportunity.

Alternatively, you can get your high school equivalent and start school at a local junior college. There you can better define what you want to learn.

If you really want to start a business you can do it as part of your training. There is no need to stop school. 15 is way too young to just stop school and hope for the best.

If you can build something that makes 5 figures in a summer, then that's awesome. But if you can't, don't drop out.