The power of an effective teacher and why we should assess it
How can we assess teacher quality?
Assessing teacher quality with student work: the Oregon teacher work sample methodology
Assessing teacher quality in a standards-based environment: the Thompson, Colorado, school district
Assessing teacher quality through goal-setting: the Alexandria, Virginia, school district
Assessing teacher quality based on student gains: value-added assessment system in Tennessee
Final thoughts on assessing teacher quality: guidelines for policy and practic.