School leadership research literature has a large number of widely used constructs. Could fewer constructs bring more clarity? This study evaluates construct content validity, defined as the extent to which a measure's items reflect a theoretical content domain, in school leadership literature. To do so, we reviewed 29 articles that used Teaching…

Increasing job demands and continuing struggles to improve teacher evaluation practice raise the question of how peers might assist principals with teacher evaluation. Using a robust international sample (TALIS2013) of 36,411 teachers from 2,759 schools in 11 countries, we tested the hypothesis that teacher-led evaluation practices are associated…