I have a mother concerned about her child not being challenged. We haven't even been in school for a month, and I'm still testing all of my kids. I have this one little girl who, in 1st grade is reading at a 6th grade level. The mom thinks she might want to try to move her kid on to 2nd grade. Frankly, the kid is advanced all around, and I don't think 2nd grade will "challenge" her either. Has anyone had any experience with this big of a difference in ability? I think I'm capable of meeting her needs, but how do I convince the mother??