Using Student Progress To Evaluate Teachers: A Primer on Value-Added Models - ISBE's discussion of Value-Added Models
List of Issues - Here is a list of issues with VAM/LGM and other things
lgm-video - D219's LGM Video
la-flaw - Critics Cite Flaws in Los Angeles Times Teacher Ranking
formula-skeptics - Formula to Grade Teachers’ Skill Gains Acceptance, and Critics
Article Summaries - I'm slowing putting together a summary of each of the articles.