[Freakburst]

So I am from India and its my last year of high school.
I was a bright and intelligent student till last year, but now things have changed.
I want to become a 3d graphics designer and I have won several contests on 3d designing, even I am just 16yrs old and and I have scored 3rd position in a contest which had professional graphic designers. I am also currently earning from it as I sell my 3d models online and I can easily make a full time income from it. So the problem is that I cant focus on school any more. I want to quit my school and just pursue 3d designing.
This month I had a contest on graphic designing and I scored 4th position on it also won a cash prize of $300. So this month I couldn't focus on my studies and on my monthly test I got really low marks. My parents don't know my marks till now but this weak they will be aware of it in the Parent's Teacher Meeting and I am sure that they are going to shut my computer for this whole year.
The problem with them is that they never understand that I can d a lot in 3d designing. They are always like stop whatever you are doing and study properly, you have to score 90% marks an dither stuff.
I just feel like to quit everything and get rid of this life where I cant even follow my dreams.
I mostly spend whole In my room alone. I don't talk with much people. I don't have much friends. This adds more to my depression. I have to go according to my parents which I hate.