My homeschooled son stayed with typical age level peers through all of cubs,and moved up to Boy Scouts shortly after turning 11. There is a lot of physical stuff involved in scouting, and we felt it was better for him to be with age-mates for that reason. It worked out well, as he played sports with the kids from his den. Boy Scouts can move ahead individually, so he's excited about going at his own pace now.
I used to be a cub leader, and the literature does have age minimums as well as grade suggestions.
DS is at Boy Scout overnight camp this week, and I miss him. We haven't had any contact since Sunday afternoon, when I dropped him off. Last year, I like that his Webelo II leader was a techie who sent daily email reports and photos, so I always knew what was going on, though DS didn't know that I knew. This year's leaders aren't into that.
Many bright and gifted kids are interested in scouting, and those who stay through the teen years seem especially apt to be some kind of g.
