International comparisons have highlighted that the U.S. mathematics curriculum, both in terms of curriculum influences (e.g., textbooks, standards) and actual instruction, is broad and shallow. Standards-based reform is explicitly designed to improve coherence and reduce redundancy across grades. This article evaluates the redundancy of…

This article provides an extended, comprehensive example of how teachers, schools, districts, and external factors (e.g., parental pressure and policy mandates) shape curriculum research in the U.S. It retrospectively examines how three different middle school curriculum units were implemented and scaled-up in a large, diverse school system. The…

This study is examining student eligibility for and participation in alternate assessments, the technical quality of the alternate assessment instruments and implementation procedures, the alignment of assessments with content and achievement standards, and the use and effectiveness of alternate assessments in measuring student outcomes. The…