Just a few years ago, tenure appeared low on the reform list for state policy makers and district administrators, viewed as too hot an issue politically to challenge. But it was front and center in the 2014 landmark "Vergara v. California" lawsuit, which challenged teacher tenure and related policies. Yet whether to grant tenure or not…

Because they focus on the quality of instruction, teacher evaluations can be powerful catalysts for teacher and school improvement. But today, the typical teacher evaluation consists of a single, fleeting classroom visit by an administrator untrained in evaluation. Often he or she wields a checklist of classroom conditions and teacher behaviors…