We develop a simple model which determines the optimal timing of school tracking as the outcome of the trade off between the advantages of specialization, which call for early tracking, and the costs of early selection, which lead to later tracking. We calibrate the model for Germany and study...

We collect data on operations, targets and human resources management practices in over 1,800 schools educating 15-year-olds in eight countries. Overall, we show that higher management quality is strongly associated with better educational outcomes. The UK, Sweden, Canada and the US obtain the...