Considering that dogs are already sleeping in their owners’ beds, shaping family vacations, and spending time in the workplace, it would seem their integration into human society is complete. But not quite. Like children before them, a growing number of dogs are being enrolled in enrichment programs — undergoing a formal education in a way once reserved for show dogs. They are taking puppy kindergarten, basic manners classes, manners classes so advanced they have prerequisites, agility and tricks courses, and “nosework” —a wildly popular program that teaches civilian dogs police-dog style scent detection.