But Eton isn't all about hard work and no play. The princes had their fair share of fun times, too. Prince Harry, in particular, was known for his prankster antics, which often got him into trouble with the teachers. We can only imagine the kind of mischief Prince George will get up to!
From hide-and-seek in the school's ancient buildings to prank calls to the school's administration, the princes had a blast at Eton. And who knows, maybe Prince George will even start his own prank war with his classmates - after all, it's a royal tradition!