"It's interesting. You're grouped by age when you're younger, and skill level when you're older. It's usually a group of fifteen to thirty people, though some classes can be as big as three hundred. There's a teacher, who stands at the front and lectures, then assigns bookwork to read and study. Then you go out and do kegstands, scrambling to do your homework on Sunday." He gave her a wry grin. "It's a lot of work, but the best way to get ahead is to have a piece of paper sanctioned by a college. Whether you have the information or not is almost irrelevant at that point."