The good, the bad and the ugly: School leadership under challenging ...

Usually, qualitative approaches tell us about the heroic leading figure who transformed everybody and everything. Then, we look at the quantitative side, which tells us that there is no (or very little) leadership effect, and nothing good about bad leadership, as the good meshes with the bad and then becomes ugly. In essence, outliers which tell the story in one way or another get lost in means and averages reported in aggregated data