Mark Paige takes an in-depth look at the interaction of Value Added Models (VAMs) and the law of teacher evaluation. It notes that the hasty adoption of VAMs in evaluation and employment law actually complicates efforts to improve teacher quality, especially at the local level. In brief, VAMs' costs vastly outweigh their benefits. The book advocates for a complete removal of VAMs in high-stakes decisions. It sets forth numerous recommendations for administrators and policymakers to enable them to effectively deal with the complications created by VAMs.