Over the past three years, the Bill & Melinda Gates Foundation has lead some of the most influential work around multiple measures in education through their Measures of Effective Teaching (MET) project, a partnership of more than 3,000 public school teachers who voluntarily opened up their classrooms to researchers. The study looked at three measures: value-added analysis, evaluation, and student surveys with the purpose of investigating "better ways to identify and develop effective teaching" as well as "help teachers and school systems close the gap between their expectations for effective teaching and what is actually happening in classrooms." Participating districts included Denver Public Schools, Dallas Independent School District, Memphis Public Schools, Pittsburgh Public Schools, New York City Schools, Charlotte-Mecklenburg Schools, and Hillsborough County Public Schools.
In January 2013, the MET project released their final report, "Ensuring Fair and Reliable Measures of Effective Teaching: Culminat...." The report presented several key findings which impact teachers, building-level leaders, district and other administrators, as well human resources staff and processes, including:
