This study examines the epistemic disciplinary knowledge that students consider when addressing a real food emergency that requires their engagement in inquiry and argumentation practices. The study comprised two phases: (1) designing an experiment to study the emergency and (2) evaluating the real outcome of the emergency. The participants were…

Adolescents in the urban public school system experience childhood trauma that sometimes makes it difficult to focus on learning. Even more so, sometimes trauma experienced by youth manifests in disruptive behaviors in the school setting. Traditionally, urban public schools have focused on teaching and learning academics, generally neglecting the…

Students from urban high schools are usually faced with adverse environmental factors in their pursuit of academic success. These factors make learning more challenging and may confound the measurement of academic performance itself. This study explores how one such factor, ambient noise, affects the measurement of mathematics achievement.…

These 2 studies investigate the extent to which an Embodied Mixed Reality Learning Environment (EMRELE) can enhance science learning compared to regular classroom instruction. Mixed reality means that physical tangible and digital components were present. The content for the EMRELE required that students map abstract concepts and relations onto…

This article explores central elements that facilitate successful mathematics professional development in urban secondary schools through a case study of one long-term effort. The following research question guided this study: How can schools structure professional development that supports teacher learning and addresses the complex realities of…