Student academic achievement in junior high mathematics is an ongoing mission for educational leaders. To achieve that undertaking, teacher effectiveness plays an important role. The purpose of this study was to examine the combined effects of teacher effectiveness on student achievement. The study was conducted in a suburban school district in…

This study compared five value-added models and illustrated the impact of model choice on the estimates of teacher effectiveness. The five models covered a broad range of technical procedures, some very simplistic and others very sophisticated. The five value-added models were applied to a common data set to generate teacher-effectiveness measures…