A great deal depends on the school's willingness to try different approaches. What is your sense of their understanding of high ability children and their flexibility?
There is some very good information in the free, public guidebooks on the Davidson site. I'd suggest reading those if you have not already done so.
Each of our children has had a different educational approach. One has had the cross-grade placement aeh mentions above - first in math (based on end of year testing) and then in language arts - with peers otherwise. This has worked quite well in general. We are making an adjustment in language arts as he enters middle school, but his math placement remains accelerated. He is one of the youngest in his grade, due to a late summer birth date and not being held back, as many boys are in our area.
Our other son was full grade accelerated in first grade. This has taken him from being middle-of-the range agewise to being youngest. He has flourished academically and seems to be doing well socially. He was so far ahead in all subjects then that the school suggested the acceleration (this would have also worked for his older brother but he was completely against a full-grade skip). He also was quite excited by the skip!
Some of the oft-repeated and very good advice we received was to be ready to adjust as time goes on - this has been true and helpful for us. You don't have to come up with a perfect solution -- just one that works for now.
