This article reports on findings based on analyses of a unique dataset collected by ACT that includes information on student achievement in a variety of subjects at the high-school level. The authors examine the relationship between teacher effect estimates derived from value-added model (VAM) specifications employing different student learning…

Background/Context: Recent research has demonstrated the potential for teacher professional development to enhance teacher learning, improve instruction, and increase student achievement. Nevertheless, research examining the relationship between state and local policies and teachers' participation in professional development is sparse. This…