Obituary

Obituary

Article Tools
  • PrintPrinter-Friendly
  • EmailEmail Article
  • ReprintReprints
  • CommentsComments

William L. Sanders, the statistician and researcher who developed the controversial value-added system for evaluating teachers based on student growth, died March 16. He was 74.

The model determines how much value a teacher adds to a student’s learning, as measured by standardized-test scores.

William L. Sanders
William L. Sanders

Sanders developed the Tennessee Value-Added Assessment System, which rolled out in 2011-12 and has been the subject of several lawsuits brought by the state teachers’ union. Yet it has also been emulated in other states and districts. Critics of the value-added method say it doesn’t sufficiently control for such factors as student poverty.

Sanders, however, believed that teacher effectiveness was the largest predictor of student academic growth. He held that his teacher-evaluation system was fairer than any other system and that the goal was not to dismiss weak teachers, but rather improve their practice.

Vol. 36, Issue 27, Page 4

Published in Print: April 5, 2017, as Obituary
Related Stories
Notice: We recently upgraded our comments. (Learn more here.) If you are logged in as a subscriber or registered user and already have a Display Name on edweek.org, you can post comments. If you do not already have a Display Name, please create one here.
Ground Rules for Posting
We encourage lively debate, but please be respectful of others. Profanity and personal attacks are prohibited. By commenting, you are agreeing to abide by our user agreement.
All comments are public.

Back to Top Back to Top

Most Popular Stories

Viewed

Emailed

Recommended

Commented