Education is one of the largest sectors of the U.S. economy--yet scholars, educators, policymakers, and parents do not agree about what the money spent on education really buys. In particular, they do not agree on how much education improves children's ability to learn or whether the things children learn in school truly improve their chances for success as adults. If schooling increases how much students know and what they know does pay off later, then it is important to ask what schools can do to increase students' learning and earning. The essays in this book report estimates of the...