Zillow wipes colors from school ratings after media coverage

  • The removal of traffic-light color coding from Zillow and Trulia's school ratings raises the possibility that public scrutiny can prompt real estate services to adjust their data practices.
  • Zillow Group made the change in part "to reflect that GreatSchool ratings alone do not define school quality."
  • The National Fair Housing Alliance is evaluating whether neighborhood data steers people away from neighborhoods with high concentrations of minorities.

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Green means go. Yellow means caution. And red means stop. Small wonder that some industry observers have decried the tendency of many real estate websites to rate schools — which are reportedly treated by some as a proxy for local racial makeup — with traffic-light colors.