A computer at your home is a "charter high school?"
There's something to be said about somebody who would already homeschool their children augmenting it with a strong online resource similar to an "online charter school."
But these online charter schools are nothing of that sort. Instead, they advertise themselves as home schooling without parental involvement. The teachers do all the work over the internet. And that's a problem because parental involvement is a million times more important in any home-based schooling, regardless of how good the online school actually is.
