Florida: Teacher Evaluation System Is So Flawed That No One Can Explain It

26 Aug

“these teacher evaluations, relying on the value-added model, are not credible”

Diane Ravitch's blog

This editorial from the Tampa Bay Times was published in March, but I just discovered it and wanted to share it. Unlike the editorial writers in many other cities, the Tampa Bay Times went beyond the press releases and self-serving statements of public officials.

They pointed out that the ratings had a margin of error of 50%. “That means it is useless. Still, the state intends to base half of a teacher’s performance evaluation, and future pay, on this absurdity.

“As Tampa Bay Times staff writers Lisa Gartner and Cara Fitzpatrick reported, the state’s flawed system rates some of the region’s most honored teachers as low performers. Hillsborough County teacher of the year Patrick Boyko, a social studies teacher at Jefferson High School, scored a minus 10.23 percent, with a margin of error above 50 percent. Translation? His students scored 10 percent worse on the FCAT than typical children across…

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One Response to “Florida: Teacher Evaluation System Is So Flawed That No One Can Explain It”


  1. Transparency in evaluation should be a basic right | peakmemory - October 25, 2014

    […] measures of teaching are valid. Perhaps, one of the reasons they keep the formula secret is that people might come to realize that the practice itself is […]

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