Overall average scale scores, mathematics, 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 math score (from Table 1) 527 541 546 538 497 513 492 501 487 -50 -13
National average math score, standardized for top-scoring country average social class distribution 531 541 543 538 513 522 504 513 504 -34 -9
Difference between social class standardized math scores and actual average reading scores 4 0 -3 0 17 10 11 13 17

* 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.