Also, proud as I am, best not to get carried away as he is still only a white belt. But as you can see from the graphic above, there are time period at a belt rank that should be fulfilled before promotion to the next rank.
As they say, you can only beat the competition that is put in front of you. At the moment he is handling things well. It might be a different story when he is out of the juvenile division and blue belt as he could be against 35 year old men as a 17/18 year old. Same weight class though.
Then you have a division called absolute. Where it is all weight classes. One of the guys went on to win absolute within his rank when he got knocked out of his division in the second fight.