The Program for International Student Assessment (PISA) is an assessment (begun in 2000) that focuses on 15-year-olds' capabilities in reading literacy, mathematics literacy, and science literacy. Access PISA data and link to reports compiled by NCES from PISA data.
Data Snapshot from PISA 2003 Assessment:
Average Problem Solving Literacy Score
U.S.:477
OECD average: 500
