How much can it possibly cost to maintain a building with tables, chairs, and a blackboard? How much can it possibly cost to pay an instructor to babble endlessly in front of a class? Sure you need a little security, and a few people to manage stuff. But what more do you really need than a little infrastructure, a little management, and a few pontificators?
“Why do we respect the server in our favorite resturaunt with a masters degree in Ancient Geek Culture more than the guy down the block with a high school education that owns a plumbing company employing and supporting 25 families”