9 year olds are typically in what, 3rd or 4th grade? Unless you are homeschooling him, he may not be swearing at home but that ship has long since sailed. I'm

9 year olds are typically in what, 3rd or 4th grade? Unless you are homeschooling him, he may not be swearing at home but that ship has long since sailed. I'm sure he and his recess buddies could teach you a few new words.