In July 2011, the State of Michigan adopted a broad set of teacher labor market reforms, including a high-stakes evaluation system designed in part to remove low-performing teachers. We examine the characteristics of teachers rated as “minimally effective” and “ineffective,” as well as their schools, and the relationship between low effectiveness ratings and later employment outcomes. Results suggest teachers of color across traditional and charter schools are more likely to receive low effectiveness ratings than their within-school peers. These low rating risks are higher for teachers of color working in comparatively White-faculty contexts. Male and novice teachers are also rated low more frequently, and important differences appear to exist in the usage of low ratings by traditional public and charter schools.

We examine the effect of Michigan’s 2011 reforms to teacher evaluation and tenure policies on teacher retention. Our data are drawn from administrative records containing the population of public school employees from 2005–2006 through 2014–2015. To identify the causal effects of these reforms on teacher attrition, we utilize a difference-in-differences (DD) strategy that compares the exit rates of teachers with the exit rates of other professional staff in the same school districts who were not affected by the policy changes. We find that, on average, Michigan’s teacher reforms had little impact on teacher attrition overall. However, further analyses provide strong evidence that early-career teachers assigned to hard-to-staff districts were more likely to exit post-reform.

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From 2005 to 2015, the number of Black teachers in Michigan dropped by 48%, substantially exceeding declines in the corresponding K–12 Black student population. These teacher losses are an acute phenomenon within a broader national context of deurbanization of K–12 student populations away from those districts with the largest and most established faculties of color. Districts receiving large numbers of incoming Black students hired few Black teachers over the period, leading to marked declines in Black student exposure to Black educators, and Black employment gains since 2016 have generally been in areas where Black teachers were already employed. We discuss the historical conditions under which Michigan’s Black faculties were established and multiple forward-looking challenges to building and sustaining Black faculties in geographically diffuse populations.