Diane Ravitch: Stop Trashing Teachers!
[Diane Ravitch is a historian of education and author of The Death and Life of the Great American School System: How Testing and Choice Are Undermining Education (Basic Books, 2010).]
For the past week, the national media has launched an attack on American public education that is unprecedented in our history. NBC devoted countless hours to panels stacked with "experts" who believe that public education is horrible because it has so many "bad" teachers and "bad" principals. The same "experts" appeared again and again to call for privatization, breaking teachers' unions, and mass firings of "bad" educators. Oprah devoted two shows to the same voices. The movie Waiting for "Superman", possibly the most ballyhooed documentary of all time, explains patiently that poor test scores are caused by bad teachers, that bad teachers are protected for life by their unions, and that the answer to our terrible test scores is privatization. If only we fire enough teachers every year, goes the oft-repeated claim, our national test scores will soar to meet those of Finland, the highest scoring nation....
The claim that merit pay will improve student performance has been disproven again and again. Whenever businessmen decide to "reform" education, they insist on merit pay. But it doesn't work. The latest study, released only a week ago by the National Center on Performance Incentives, was the most rigorous evaluation of merit pay ever conducted. One group of teachers in Nashville was offered bonuses up to $15,000 if they raised students' math scores; another, the control group, was offered nothing. The average teacher pay is about $50,000, so this was a significant incentive to get higher scores. Over the three years of the study, both groups produced the same results. The economists, who were scrupulously nonpartisan, concluded that performance pay had no effect on student performance. It turns out that teachers were working as hard as they knew how, with or without the bonus....
Tests that assess what students have learned are not intended to be, nor are they, measures of teacher quality. It is easier for teachers to get higher test scores if they teach advantaged students. If they teach children who are poor or children who are English language learners, or homeless children, or children with disabilities, they will not get big score gains. So, the result of this approach—judging teachers by the score gains of their students—will incentivize teachers to avoid students with the greatest needs. This is just plain stupid as a matter of policy....
Read entire article at The Daily Beast
For the past week, the national media has launched an attack on American public education that is unprecedented in our history. NBC devoted countless hours to panels stacked with "experts" who believe that public education is horrible because it has so many "bad" teachers and "bad" principals. The same "experts" appeared again and again to call for privatization, breaking teachers' unions, and mass firings of "bad" educators. Oprah devoted two shows to the same voices. The movie Waiting for "Superman", possibly the most ballyhooed documentary of all time, explains patiently that poor test scores are caused by bad teachers, that bad teachers are protected for life by their unions, and that the answer to our terrible test scores is privatization. If only we fire enough teachers every year, goes the oft-repeated claim, our national test scores will soar to meet those of Finland, the highest scoring nation....
The claim that merit pay will improve student performance has been disproven again and again. Whenever businessmen decide to "reform" education, they insist on merit pay. But it doesn't work. The latest study, released only a week ago by the National Center on Performance Incentives, was the most rigorous evaluation of merit pay ever conducted. One group of teachers in Nashville was offered bonuses up to $15,000 if they raised students' math scores; another, the control group, was offered nothing. The average teacher pay is about $50,000, so this was a significant incentive to get higher scores. Over the three years of the study, both groups produced the same results. The economists, who were scrupulously nonpartisan, concluded that performance pay had no effect on student performance. It turns out that teachers were working as hard as they knew how, with or without the bonus....
Tests that assess what students have learned are not intended to be, nor are they, measures of teacher quality. It is easier for teachers to get higher test scores if they teach advantaged students. If they teach children who are poor or children who are English language learners, or homeless children, or children with disabilities, they will not get big score gains. So, the result of this approach—judging teachers by the score gains of their students—will incentivize teachers to avoid students with the greatest needs. This is just plain stupid as a matter of policy....