Have him learn Go. It's not only a game; it forces you to examine your thinking patterns, review your expectations, and meta-model other people's model of your mind. It's a tremendous booster.
I have. Unfortunately, I enjoy the game far more than he does.
Although my 8-year-old son likes his teacher, he is frequently bored at school. He attends a high quality suburban public school in the United States. He has a lot of traits in common with LessWrong readers, and we would like advice for what he can do to counter his boredom. Many of you must have found grade school more or less tedious. What were your coping strategies?