What Val said seems to be the norm for all of the online stuff that we've experienced or looked into.
Bottom line?
You can do independent study for a lot less, and with a lot less irritation along the way, and about the same amount of interaction with a teacher.
Doing it as a charter school thing is probably fine (well, I don't know-- but it is what we've done) but then again, that's FREE.
No way would I pay for what we've endured. No. WAY.
As accrediting goes, it's been great-- but for that, I think that a full service high school that leads to a diploma is essential in some respects (if you're a homeschooler, I mean). College advising/counseling? Gimme a break-- absolutely nothing of the kind. DD's classmates know what their parents know, and that's about it.