Traditional teacher evaluations -- full-lesson observations, write-ups, and debriefs -- are time-consuming and largely ineffective. As a principal, Kim Marshall found that mini-observations -- short, frequent, unannounced classroom visits, each followed by a face-to-face coaching conversation and brief narrative summary -- actually improved…

Feedback is an essential ingredient for professional growth, but teachers receive limited feedback that is actually useful. Audrey Amrein-Beardsley and Tray Geiger discuss the flaws in two common forms of teacher feedback, value-added measures and classroom observations, often used as part of a summative evaluation. They suggest that student…