Thanks, aculady and AlexsMom, I have seen skill lists like that before, but well, I tend to take them with a grain of salt. After all, "isn't that the bare minimum and won't most kids be way beyond that?" are the thoughts that run through my head.
I mentioned upthread that my view of what the typical child knows and when is somewhat skewed. It might be more skewed than I thought. He's very age-appropriate emotionally and socially and has never been one to "show off" unless he's very comfortable with the person and situation, so it's possible that I may be in denial
I go back and forth between thinking he's just bright and thinking "uh, maybe there is something there." After seeing what the rest of the kids in his K class are doing, I'm learning towards the latter.