Since subject accelerations or trials are availble give then a try. Think of it like introducing solid food...make changes slowly and observe and be ready to try something else. I believe that if the academics fit then the social is likely to follow but remember that even ND kids have good years and bad years socially and that is valuable life experience too.
I'm a little worried about all of the afterschool activities but I do know kids who thrive at that pace. But her activities are ones that can foster tremendous competition if done that way. Perhaps try to encourage her to move in the direction of a mixture of competitive and exploratory activities? Creating a student led school newpaper or building or creating anything or cooking or spirituality or service projects or dog training all might help get her to see live in a more ...sometimes u win sometimes u lose but u always learn something frame of mind
Love and more love
Grinity