CFK, a lot of people have told me how much they benefited from the "gift of an extra year." I totally agree with you, however, especially if the child is already academically advanced and/or gifted. Maybe it's better for ND children, but if a kid is already ahead, being around even YOUNGER children for a whole year while they learn nothing isn't going to help them mature. They'll mature at their own rate regardless of what grade they are in, so you have to ask are you holding them back for THEIR good or the good of the teacher/other students? They might as well be learning while they mature if you ask me. I do know that some people really worry about their children being ostracized socially b/c of immature behaviors. We found that even the younger children are not accepting of behavior that is highly emotional or of children who frequently are being reprimanded. It's a tough decision, but like I said, if I had it to do over again, I'd choose not to repeat.