The authors describe an impact study of Classroom Assessment for Student Learning (CASL), a widely used professional development program in classroom and formative assessment. Researchers randomly assigned 67 elementary schools to receive CASL materials or continue with regularly scheduled professional development. Teachers in CASL schools formed…

Teaching science to diverse learners can be a demanding and challenging task. Teachers may be underprepared and thus unsure of how to best address the needs of their students in their classroom. One approach to helping teachers is through professional development. Yet, programs that focus mainly on science or special education can fail to fully…

Background: To attain accurate information about student performance, teachers must apply sound classroom assessment practices. First, teachers need to be able to understand and identify the purpose of their assessments. Teachers also need to provide their students with clear learning targets, in language that students can easily understand, so…

This article explores the potential of using students' science notebooks to help elementary teachers monitor conceptual understanding. Data came from 25 teachers and their 4th- and 5th-grade students working on a unit on electricity. At the time data were collected, 8 of the teachers had received professional development on science content…