Had lunch with my friend this week, and he swears by Kumon:
http://en.wikipedia.org/wiki/Kumon
His son is entering kindergarten this fall, and can already read, add numbers, add by 5, add by 10s, and all sorts of other fancy things. It sounds great, but I also worry that kids can't just be kids any more. Haven't decided where I net out on all this.
Do you know anyone who does Kumon with their kids?