Rising inequality in the United States has raised concerns about potentially widening gaps in educational achievement by socio-economic status (SES). Using assessments from LTT-NAEP, Main-NAEP, TIMSS, and PISA that are psychometrically linked over time, we trace trends in achievement for U.S....

Expanded international data from the PIAAC survey of adult skills allow us to analyze potentialsources of the cross-country variation of comparably estimated labor-market returns to skills in amore diverse set of 32 countries. Returns to skills are systematically larger in countries that...