An increasing number of schools are implementing gifted cluster grouping models as a cost-effective way to provide gifted services. This study is an example of comparative action research in the form of a quantitative case study that focused on mathematic achievement for nongifted students in a district that incorporated a schoolwide cluster…

Background/Context: Metacognition has been a subject of study for cognitive theorists, behaviorists, educators, and others. The term metacognition has traditionally and simply been defined as "thinking about thinking," yet it describes a complex process that can result in a nuanced understanding of oneself as a thinker and a learner. Metacognition…