For sure you don’t need school for crosswords. Do you know everything about math? History? Geography? Philosophy? Literature? Gymnastic? How you teach these things if you don’t know them? And social sciences and politics? Let’s say I’m a communist. I teach my kids only communism and I teach them to look at world only through its lens. Wouldn’t be good for my kids to listen a different version of the history in order to form a proper opinion? On the other hand, it’s true that in the US school sucks and you learn very little and so…