To solve two enduring problems in education--unacceptably large variation in learning opportunities for students across classrooms and little continuing improvement in the quality of instruction--the authors propose a system that centers on the creation of shared instructional products that guide classroom teaching. By examining systems outside…

This paper explores methods of collaboration among countries in order to promote successful development, exchange, and dissemination of international education materials. The discussion emphasizes activities of the Pacific Circle Consortium, which was founded in 1977 and includes Australia, Canada, Japan, New Zealand, and the United States. Its…