Everyone from Bono to the United Nations is looking for a miracle to bring schooling within reach of the poorest children on Earth. James Tooley found one hiding in plain sight. While researching private schools in India for the World Bank, and worried he was doing little to help the poor, Tooley wandered into the slums of Hyderabad's Old City. Shocked to find it overflowing with tiny, parentfunded schools filled with energized students, he set out...