We Should Focus on Teacher Quality
Teacher quality is the Holy Grail of education reform. Among education professionals at all levels, there’s widespread agreement that student achievement is more closely aligned with teacher quality than with any other factor, including poverty, the presence of other stressors in the environment, such as gang violence, and even learning disabilities. Stanford economist Eric Hanushek publishes research that helps to narrow down “teacher effectiveness.” When this quality is quantified, Hanushek finds that students who have the most effective teachers (with effectiveness in the 90th percentile) learn on average 1.5 years’ worth of material in a single school year. But students who are taught by teachers whose effectiveness rates in the 10th percentile learn only one-half year’s worth of material in one school year. “No other […]
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