Urban middle class boosts school diversity

Greg Toppo:

As taped piano music plays, Ashley Brown issues a stream of commands. Firm and insistent, she strides around the tiny studio and puts her third-period ballet students through their steady, rhythmic paces.
What her eighth- and ninth-grade dancers may not notice is the larger ballet they’re part of: the fraught, decades-old dance â?? one step forward, two steps back â?? of who goes to school where, and with whom.
They’re doing nothing less than integrating a city.