While i agree with Tetsujin I'd like to take the chance and maybe help you.
Let me first point out a couple of things:
I'm self taught and I believe I'm very good at it.
You are 22 years old. I would suggest taking a step back but not too far. I'm not criticizing you and i do hope you are as good & talented as you say you are but sound is a thing that really has to mature in someones mind.
Don't get me wrong I'm 29 myself , and I'm only stating that the time you've had to learn sound is not much , not that you are just young and rubbish because of your age.
It's great what you've accomplished so far , making money , getting positive feedback all these are great and gratz for that!
Now, to the point.
You start off by saying you want to be a music producer and a moment after that you say that you are a beat maker. Beat making is a very nice style of music production but to me it's too narrow.Most successful producers have wider target groups.Also , you live in Greece, what a coincidence , i live in Greece too .. So , another part of the answer would be the hype (which is global atm if you ask me).But as a beat maker , where are you in 3-4 years from now? When the hip-hop-hype has(maybe) gone?
(Without having listened to any of your music , i assume beatmaking has to do with the hip-hop scene)
The successful music producer is not only on the main path , or the main stream but in all genres(that he likes and) that he can produce good music on.Watching the music scene , ready to ride the next stream and go on.Beatmaking is not a very versatile tool to expand your horizons(imho).
Global hypes also bring competition, there are many beat makers out there producing great stuff for all the tastes, sadly this is where it all goes where it shouldn't and we start talking about PR,promotion and marketing.Generally music entrepreneurship.
About the school question ..
Many people come to me asking about my 2c on their work, and specifically for beatmakers I've noticed they lack in Arrangement , Harmony , and Authenticity.
I think those are the crucial parts for someone to learn and master.These are the skills that set someone apart from the rest. Knowing when to do what and how. If you can find a school that will teach you harmony , composition and arrangement all the rest will come.
My 2c after all :)
Good luck and keep on pushing!