While the demands of teaching continue to escalate, teacher development has changed relatively little over time, leaving many of today's teachers feeling underprepared, overwhelmed, or demoralized with few opportunities to make real change. Teacher leadership holds promise for both addressing challenges within schools and empowering teachers.…

Teachers' work with four National Science Foundation-funded curricula in the Missouri Middle-School Mathematics Project has disclosed 10 critical implementation elements: administrative support, opportunities for study, curriculum sampling, daily planning, interaction with experts, collaboration with colleagues, incorporation of new assessments,…

An obsolete, unworkable approach to achieving high standards is top-down dictation of goals and minimal staff compliance. A constructivist change strategy is based on collaboration. It is an action research and development process enabling everyone to understand the problem, reach agreement on goals, and share responsibility for implementing…