U.S. performance on international assessments of mathematics, science, and reading relative to other countries

¹ Includes those countries with approved data appearing in reports. Total excludes the United States.

SOURCE: International Association for the Evaluation of Educational Achievement (IEA), Progress in International Reading Literacy Study (PIRLS), 2001; Trends in International Mathematics and Science Study (TIMSS), 2003; Statistics Canada and Organization for Economic Cooperation and Development (OECD), Adult Literacy and Lifeskills Survey (ALL), 2003; OECD, Program for International Student Assessment (PISA), 2003, previously unpublished tabulation (October 2005).