Classroom with a View (CView) is an interactive multimedia environment designed to provide students with opportunities to observe, discuss, and analyze classroom practice in a mediated environment in which students work in pairs exploring a database of videotaped mathematics and science lessons. CView was designed using a description of the teacher's role in a constructivist mathematics class, cognitive flexibility theory, metacognitive theory, constructivist learning theory, and conceptual change theory. This environment was studied over a ten week period in four methods classrooms. Students indicated that three of the four conditions precipitating conceptual change--intelligibility, plausibility, and fruitfulness--were met by working in the environment. CView was found to support student learning in ways parallel to the support a constructivist oriented teacher would offer children. Results indicated that the integrated content, structure, and tools in the environment promoted students' understandings of teaching and learning. Contains 30 references. (Author)