I also have met Carol Yilmaz and i remember she told me that the kids work up to three grade levels ahead but it is all based on subject. Its set up more like a middle school then a grade school with kids changing classes. So i don't think its true at all that kids are all two grade levels ahead. I got the impresssion that there were kids that were on grade level for some thing and then up to three grade levels ahead for others.
irene