I did drop out of high school, well, sort of. In 10'th grade it was decided that the local community college would be a better place for me. All I did was raise some objections to how the business of schooling was being conducted, my parents who were amplified by irate public school administrators accomplished the rest.
The best advice that I can give someone in my circumstances (this was nearly 20 years ago) is, learn how to not take things personally.
No matter your next endeavour, if you advance as is often demanded, you'll be greeted by people who are more experienced than you in social settings. They won't be sufficiently mature to avoid advancing themselves at the expense of a cast out (even at age 40), in many cases, and they know how to test confidence in odd ways.
If I had to do it all over again, I'd take a menial job, save my money and learn how to interact with people who were older than I am. It took the better part of ten years for me to learn how to do that, I could have done it in two if I had just let myself grow up.
Opportunities depend on, and expand exponentially based on your level of tolerance and maturity. You don't get to introduce skill until you get past those things.
What, exactly is the urgency? Live a little, study, then live better. Sorry for not recommending a book :)