Measuring Teacher and School Value Added in Oklahoma, 2013-2014 School Year

In the spring and summer of 2015, teachers and administrators will receive value-added measures based on instruction provided in the 2013–2014 school year. The 2014–2015 school year is the second pilot year for the state of Oklahoma’s Teacher and Leader Effectiveness Evaluation System’s quantitative components. In this report, we provide an overview of the value-added model and describe value-added methods in non-technical terms, and we describe how we used test scores from the 2013–2014 school year and other information about teachers and students to estimate teacher value-added results. We also provide the technical details of the statistical methods used to estimate value added.