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