I don't have kids. But for those who do, I want to make sure you are aware of a resource that, to me, appears superb. There's a guy named Arthur Robinson, a scientist who long ago worked hand in hand with Linus Pauling, who was forced to figure out what to do with his children when his wife died leaving him with the brood. The Robinson Curriculum is what resulted. I highly recommend giving it a look. He has produced at least one impressive scientist son using this program and I expect the others will excell as well.