OECD video on the Programme for the International Assessment of Adult Competencies (PIAAC)

(Guest Post by Matthew Ladner)

So this OECD study find that older Americans are average in math, but younger Americans are at the bottom. The NAEP Long Term Trend data for 12th graders shows very little change for 17 year olds between 1978 and 2013, and that small change is in a positive direction. Feel free to speculate in the comments.


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