How teacher strikes hurt student achievement

Ezra Klein:

Talks between the Chicago Public Schools and the Chicago Teachers Union broke down yesterday, and now the city's teachers are on strike, just as class was about to start for the 2012-13 school year. Labor will insist that the strikes lead to contracts that attract good teachers who promote student learning in the long-run, while Emanuel notes that the teachers are striking over his proposed evaluation system, which he argues will help achievement going forward. Leaving that debate aside, what does the strike itself mean for students?

Nothing good, the best empirical evidence suggests. Two of the best recent studies on the effects of teacher work stoppages and strikes concern labor disputes in Ontario schools in the late '90s and early 2000s. One, by the University of Toronto's Michael Baker, compared how standardized test scores rose between grade 3 and grade 6 for students who lost instructional time because of the Ontario strikes, and for students who were unaffected.

Posted by Jim Zellmer at September 11, 2012 9:44 PM
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