TY - CHAP T1 - The widening academic achievement gap between the rich and the poor: New evidence and possible explanations AU - Reardon, Sean F. A2 - Duncan, Greg J. A2 - Murnane, Richard J. PY - 2011 SP - 91 EP - 115 T2 - Whither Opportunity? Rising Inequality, Schools, and Children's Life Chances CY - New York, NY PB - Russell Sage Foundation ER -