Emily Bazelon:

What's troubling about preschool admissions, in the end, is that they reveal how narrow the preferred range of demeanor for little kids is. We want 2- and 3-year-olds to be sunny but not loud, perceptive but not shy, energetic but not hyper. We want them to conform. Your genius friend who can't sit still or your tech-savvy officemate who avoids eye contact? They'd be in the reject pile.