Chart: 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) | Economic Policy Institute

Table 3C

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

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