Overall average scale scores, reading, for U.S. and six comparison countries, PISA 2009 (with standardization for average social class distribution in top-scoring countries)

Top scoring Similar post-industrial  U.S. U.S. versus:
Canada Finland Korea Average* France Germany U.K. Average* Top- scoring average Similar post-industrial average
National average reading score (from Table 1) 524 536 539 533 496 497 494 496 500 -33 4
National average reading score, standardized for top-scoring country average social class distribution 529 536 536 534 513 508 507 510 518 -16 9
Difference between social class standardized reading scores and actual average reading scores 5 0 -3 1 18 11 13 14 19

* Simple (unweighted) average of three countries

Source: Authors' analysis of OECD Program for International Student Assessment (PISA) 2009 database for each country

View the underlying data on epi.org.