I'm taking 3 APs and a few past-AP classes (classes for which APs don't exist), and in my free time working at making iPhone apps/mobile contractor work with a few of my similarly motivated friends. It's not exactly what people around here consider a "business" (i.e. startup), but it does show that it's possible.
Most things are doable if you're motivated enough. That's not the problem at hand though. The problem is how can we make it easier for students to do what they do best.
I think it's a good idea to focus less on standardized curriculum. For those laissez-faire lovers, standardized curriculum are the equivalent of tight-controlling governments. Some students may need the control, but to those who are self-motivated, a strong regiment just hurts learning.
That's true even if you have a great background and plenty of funding. Few businesses make more than the founders would have made working for someone else for the same number of hours. This is not to say dropping out of high school is a bad idea, just far more risky than successful people might think.
6 AP courses, start your own business after school, or drop out and start your own business.
I like option C.