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Simon Wiederhold

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Recent Commentary


Do Smarter Teachers Make Smarter Students?

by Eric Hanushek, Marc Piopiunik, Simon Wiederholdvia Education Next
Wednesday, February 27, 2019

Student achievement varies widely across developed countries, but the source of these differences is not well understood. One obvious candidate, and a major focus of research and policy discussions both in the United States and abroad, is teacher quality.

In the News

The Value of Smarter Teachers: International Evidence on Teacher Cognitive Skills and Student Performance

by Eric Hanushek, Marc Piopiunik, Simon Wiederholdvia National Burea of Economic Research
Friday, December 12, 2014

Differences in teacher quality are commonly cited as a key determinant of the huge international student performance gaps. However, convincing evidence on this relationship is still lacking, in part because it is unclear how to measure teacher quality consistently across countries.