The Cleveland (Ohio) Collaborative for Mathematics Education has rejuvenated the teachers, who have benefited from increased participation in decision making and productive forms of collegiality. Despite these gains, math curriculum and instruction remains heavily influenced by systematic programing, traditional teaching and learning conceptions,…

Educational reform over the past two decades has focused primarily on schools as the critical units of change, often ignoring the role of districts and their effect on schools' performance. Although national reform efforts such as the recently reauthorized Elementary and Secondary Education Act (the No Child Left Behind Act), are directed…