Only his classroom is 13,770 feet up on top of Wyoming’s Grand Teton mountain. It’s also in a kayak next to a humpback whale just off Alaska’s Chochagoff Island. And in the middle of the Jatbula Track in Australia’s Northern Territory. No blackboards. No cramped little desks. No annoying intercoms with endless interruptions from the vice principal. Just nature. Lots and lots of nature.