Math score gap changes, U.S. vs. top-scoring countries, PISA 2000–2009
|Gap changes, U.S. versus:|
|Group 1 (Lowest)||+34||+35||+38|
|Group 6 (Highest)||-17||-21||-19|
Note: Numbers in this table take the 2009 U.S. average score for a social class group, less the 2009 comparison country's average score for the same social class group, and subtract from this result the 2000 U.S. average score for that social class group, less the 2000 comparison country's average score for the same social class group.
Source: Table 12A
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