This publication is a companion publication to PISA 2009 Results, the six-volume report on the 2009 survey conducted by the OECD's Program for International Student Assessment (PISA). It provides data on the some of the main issues analyzed in the full report, including: What students know and can do: How do students compare in the knowledge and skills they show at school? Which countries are the best performers?Which perform poorly?; Overcoming social background: Does a student's socio-economic background affect his or her performance in school?; Learning to learn: Are there some types of reading, and some ways of learning, that are better for students than others?; What makes a school successful: What traits do high-performing schools have in common?--Publisher's description.