Findings from an extensive four-year program with a single cohort of elementary and early middle school mathematics instructors highlight several important themes that can inform other efforts in developing teacher leaders. The authors describe the Arizona Master Teachers of Mathematics (AZ-MTM) program as an example that supports the development…

The TAP System stands out because of its more than two-decade-long track record of growth and success in improving educator effectiveness and raising student achievement in high-need schools. This summary includes a recap of some of the most important results that have emerged from the research to date and highlights newer studies documenting…

Recent teacher evaluation reforms instituted across the country have sought to yield richer information about educators' strengths and limitations and guide decisions about targeted opportunities for professional growth. This study describes how results from new multiple-measure teacher evaluations were being used in 2014/15 in five school…

This article describes a teacher-led school "Mathematics and Science Leadership Academy" (MSLA) that is part of the Denver Public Schools. At MSLA, teachers collaborate to make authentic and substantive decisions about how the school operates and seek to meet each student's needs. At teacher-led schools, teachers hire their own…

Approximately 50% of teachers leave the profession within five years. A disproportionate number of those who leave are secondary mathematics teachers. Teacher retirements, policy changes, teacher turnover, and teacher requirements contribute to the mass departure from the teaching profession. This phenomenological qualitative study examined…