That's my dd. She's advanced in math, but she's really a LA kid. (Which I think is actually why AoPS is working for her so far.)
Dmmetler, thanks for those details. So you've had to create a different group for each subject? Ugh, I don't think I could handle that. But maybe I could start with one subject, get a group going, and then see what other subjects the group might be interested in pursuing.