Robert Gilman: 

With the patterns that both my kids went through, what they learned was largely what was interesting to them. We trusted them in learning what was interesting to them, although it didn’t follow the standard curriculum. Yet whenever they were tested relative to the standard curriculum, they did remarkably well. So I would say for parents to just be very relaxed. If your kids are interested in their lives, then they’re likely learning what they really need to learn. And even if they wind up being behind in some particular area, their “learning how to learn” skills will be so good that they’ll just catch right up.