At the first Portfolio School District Network meeting, in 2009, 15 people sat around a table wondering whether the portfolio idea could work only in special circumstances like New York City or New Orleans. Three years later, 27 districts are implementing this continuous improvement strategy and more are eager to learn how they can make it work…

Deficient urban schooling remains one of America's most pressing--and stubborn--public policy problems. This important new book details and evaluates a radical and promising new approach to K-12 education reform. "Strife and Progress" explains for a broad audience the "portfolio strategy" for providing urban education--its…