Critics of test-based accountability warn that test preparation has a negative influence on teachers' instruction due to a focus on procedural skills. Others advocate that the adoption of more rigorous assessments may be a way to incentivize more ambitious test preparation instruction. Drawing on classroom observations and teacher surveys, we do…

Several states have recently adopted or are pursuing policies that deny or revoke tenure from teachers who receive poor evaluation ratings over time based in part on quantitative measures of performance. Using data from the state of Florida, we estimate such value-added measures to consider the future effectiveness and number of teachers who would…