This study explored the relationships among the components of the Arizona Department of Education's new teacher evaluation model, with a particular focus on the extent to which ratings from the state model's teacher observation instrument differentiated higher and lower performance. The study used teacher-level evaluation data collected by the…

Accountability in the nation's public schools has become a matter of considerable urgency since the 2001 amendment of the federal Elementary and Secondary Education Act (ESEA) of 1965. Under this most recent version of the ESEA, as of the 2007-08 academic year states and districts must assess the mathematics and reading proficiency of students…

To many, it seems obvious which schools are failing--schools whose students perform poorly on achievement tests. But since evaluating schools on achievement mixes the effects of school and nonschool influences, achievement-based evaluation likely underestimates the effectiveness of schools that serve disadvantaged populations. In this article, the…