You ceilinged on a test - do you really want another one? I know I kept asking here like someone could have the answer. But it really comes down to knowing your child. We are all so used to downplaying. But for a moment - think about those things you mentioned... how you could video a conversation about history or of an instructional tutorial :-) of one of his self designed games. TRUST me I am certain homeschooling hasn't put you at any disadvantage... there isn't a thing we did "in" school this year that would make our kids look any more than "bright". It is the things at home - that they cherish - it is catching it that is the trick. Also my kids are little by comparison - but I wonder at his age if he could help you?