My DD is taking the AoPS course route.

So far she has taken the pre-algebra I class and about half way through the second one...

She enjoys the online interaction sessions and finds some of the challenge questions in the class harder than those in the books.

The books are, IMO, very well written and the challenge questions can be quite tricky in their own right. The solutions book is also essential as it gives detailed solutions for a student to compare their own with.

Become what you are