3. He was the smartest kid in class.

Okay, he was the second smartest kid in class, but we heard a rumor that the valedictorian totally cheated. McGraw has never celebrated his scholastic achievements, but he was the salutatorian of the Class of 1985 at his high school before heading off to Northeast Louisiana University. It takes a lot more than a great voice and good looks to make it in Nashville -- you have to have the book-smarts to protect your business.

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