Man, I finished school but didn't got my diploma.
I'm an artist, and got some jobs here and there in Galleries, and as Character designer for Videogames and Comics.
Then I was offered a Scholarship in a certain Art School, but in order to receive it I need my school diploma.
I didn't dropped out, just had some problems with certain teachers (fucking assholes) and that prevented me from receiving.
Nowadays, I'm about to finish highschool yet again, while working for an Comic Company.
Once I complete school, will try to study Software Engineering and perhaps try to get a Scholarship in another art school or maybe in a Videogame Programming school.
My advice: Do not drop out. I know the feeling, the urging to try the world all by ourselves. Truth is, without school you can't get too far by yourself.
So, have patience, life is too short to spend it chasing a dream.
I'm not saying to stop chasing your dreams, but have this words in mind:
A HIGHSCHOOL DIPLOMA WILL GET YOU WHEREVER YOU WANT TO BE FASTER.