A common approach to scaling up a professional development program is for the researchers who designed the program to prepare teacher leaders to facilitate it at their schools. When researchers eventually leave, however, teacher leaders may receive less support. To ensure that teacher leaders continue receiving support, researchers can prepare…

Despite the complexity of facilitating professional development (PD) and growing attention to supporting facilitators, few tools exist for facilitators to engage in ongoing inquiry into their practice. In this article, we offer a practical measure, the Collaborative Professional Development Survey (CPDS), designed to provide facilitators with…

Using evidence of student thinking and performance is crucial to enacting ambitious science teaching because intimate, formative data can be responsive to student ideas about science. However, narratives and policies about assessment and data use do not always position teachers to draw on the breadth and variety of evidence from the classroom to…

Classroom assessment and the use of student performance data to inform instructional decisions have significant potential to help students meet the learning goals of science education. Research has shown that process-oriented assessment practices are challenging and sometimes ignored aspects of teaching, partly because teachers' conceptions of…

There is a need to strengthen the theory-practice connection, particularly for early-career mathematics teachers, through effective professional development (PD) programs that integrate theory and research with the implementation of classroom practices. The current study investigates the effect of the online coaching component a hybrid…