Classes may be out for most of the nation's youngsters, but for many parents the plotting and pushing to wedge their children into the right schools is a year-round ordeal. As urban public schools become increasingly flawed by overcrowded classes, poorly prepared teachers and racial imbalance, many young couples are undergoing an ordeal even tougher than the college-admissions scramble; it is the cradle-to-college struggle to get their kids into a big-city private school.
Nowhere is the competition as keen as in New York City, which boasts more (111), and more diverse, private...