Overall average scale scores, mathematics, for U.S. and six comparison countries, PISA 2009 (with standardization for average social class distribution in similar post-industrial 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 similar post-industrial country average social class distribution | 523 | 534 | 533 | 530 | 502 | 511 | 495 | 502 | 495 | -35 | -7 |
Difference between social class standardized math scores and actual average reading scores | -3 | -6 | -13 | -8 | 5 | -2 | 2 | 2 | 8 |
* Simple (unweighted) average of three countries
Source: Authors' analysis of OECD Program for International Student Assessment (PISA) 2009 database for each country