Test-score 'bomb': How far is too far in teacher accountability push?
The Los Angeles Times is planning to publish a database that shows how much students' test scores have improved under specific area teachers. Some say it's a useful teacher accountability tool. Critics say it's not a fair portrait.
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The paper is making teachers’ scores available to them this week and giving them a chance to comment on those scores. In the first article, it highlighted two fifth-grade teachers at the same school – one whose kids tend to make big gains from year to year, and the other whose students lose ground, on average. And it has already published some of larger-scale findings:Skip to next paragraph
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- Highly effective teachers regularly bring their students from below grade level to advanced in a single year, and teachers have three times as much influence on students’ learning as which school they attend;
- The best teachers are scattered throughout the district, and the quality of instruction varies more within a school than between schools;
- Teachers’ experience, training, and education have little correlation to how effective they are.
“I don’t think it’s a pinpoint estimate of how teachers are doing, but it’s a reasonable assessment of how successful they are,” says Richard Buddin, a senior economist at Rand Corp., who did the statistical analysis for the Times as an independent consultant. “I understand the criticism…, but these tests are used for a lot of things – which schools are doing well, how students are doing. This is just another way of using them.”
Secretary Duncan has also expressed his support for making this data public.
“What’s there to hide?” he told the Times in an interview. He said that teachers’ effect on kids’ test scores should just be one factor in gauging their success, but added that it "can really empower teachers to strengthen their craft and find out who are the great teachers around them."
California Secretary of Education Bonnie Reiss told the paper that she would encourage more districts to use their data to develop and release value-added scores for teachers.
Teachers, however – many of whom say they would welcome getting such scores privately to help them improve their teaching – seem largely unhappy, and
the local union is outraged.
“We’re playing blame the teacher,” says A.J. Duffy, president of United Teachers Los Angeles, who is calling for the boycott and says he will consider legal options. He dismisses the data as largely useless in measuring the big picture of what teachers do, and notes that standardized tests only cover about 15 percent of the curriculum. “Value-added doesn’t work with human beings, it doesn’t work in an education system,” he says.