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Disentangling Disadvantage: Can We Distinguish Good Teaching From Classroom Composition?, Gema Zamarro, John Engberg, Juan Esteban Saavedra, Jennifer Steele

Education Reform Faculty and Graduate Students Publications

This paper focuses on the use of teacher value-added estimates to assess the distribution of effective teaching across students of varying socioeconomic disadvantage. We use simulation methods to examine the extent to which different commonly used teacher-value added estimators accurately capture both the rank correlation between true and estimated teacher effects and the distribution of effective teaching across student characteristics in the presence of classroom composition effects. Varying the amount of teacher sorting by student characteristics, the withinteacher variability in classroom composition, and the amount of student learning decay, we compare aggregated residuals, teacher random effects, and teacher fixed effects …