Half of kindergarten teachers split children into higher and lower ability groups for reading or math. In national data, we predicted kindergarten ability group placement using linear and ordinal logistic regression with classroom fixed effects. In fall, test scores were the best predictors of group placement, but there was bias favoring girls,…

Prior research has shown that English learner (EL) classification is consequential for students; however, less is known about how EL classification affects student outcomes. In this study, we examine one hypothesized mechanism: teacher perceptions. Using a national data set (Early Childhood Longitudinal Study--Kindergarten Cohort of 2010-2011 or…

This article explores how the associations between student achievement and achievement growth influence our understanding of the role schools play in academic inequality. Using nationally representative data from the Early Childhood Longitudinal Study, Kindergarten Class of 2010-2011 (ECLS-K:2011), we constructed parallel growth and lagged score…