Pray tell. Or just tell, no praying required, that would be telling. Just prying. Required, I mean.

It really boils down to the convergence of a few factors; he's already learning a higher grade level than he'd be placed in by his age, he suffers from some hyperactivity issues, and, quite frankly, my wife and I think we can do a better job than the public system. Or at least my wife can; I'm not convinced of my abilities at a teacher yet.

Just ingrain the rationality training as an aspect of the way you interact with him, I go for the Socratic Method. Don't set apart "rationality training" time (or are you planning to be irrational unless rationality is scheduled?!). Helping your kid develop mental models of others is my favorite.

Obviously I'm not planning to be irrational at any given moment, but I was originally stuck in the mindset of curriculum since that's what we've been going with for math, reading, and science. This is probably a better idea, though.