Reading scores, by social class group, U.S. compared with similar post-industrial countries, PISA 2000–2009

Note: U.S. data for 2006 are unavailable and therefore linearly interpolated.

Source: Authors' analysis of PISA 2000, 2003, 2006, and 2009 databases; authors’ calculations of mean test scores by books in the home (BH)

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