Executive Summary

Value-Added Model (VAM)

  • A statistical model that primarily uses student achievement on assessments (e.g., standardized state exams) to measure teacher effectiveness.
  • Primarily only available for teachers in tested subjects (core subjects); scope may be expand as new assessments become available.
  • Limited in its ability to use non-quantitative measures of student learning.
  • The Tennessee Value-Added Assessment System (TVAAS) is Tennessee’s longstanding model used for Tennessee’s Value Added Assessment.

The Federal Government and Teacher Evaluation

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