Each year, the National Council on Teacher Quality (NCTQ) publishes the "State Teacher Policy Yearbook," a comprehensive examination of the state laws, rules and regulations that govern the teaching profession, measured against a realistic set of reform goals. For five years running, the full "Yearbook" compendium (www.nctq.org/stpy) presents the most detailed, thorough analysis of teacher policy in the United States, covering topics related to teacher preparation, licensure, evaluation, career advancement, tenure, compensation, pensions and dismissal policies. The next full nationwide analysis of state teacher policy will be released in January 2012, presenting the legislative, regulatory and policy developments achieved in 2011. In advance of the next "Yearbook," this paper offers a closer look into what is shaping up to be a very important education policy trend. With unprecedented momentum toward performance-based teacher evaluation across the states, the goals of this paper are to: (1) Present a detailed picture of the teacher evaluation policy landscape across the states; (2) Highlight noteworthy state policies; and (3) Provide early observations on current challenges. Appended are: (1) Links to state legislation/regulations and resources on teacher evaluation systems; and (2) Results of the states examination. (Contains 13 figures and 33 footnotes.)