students' lifetime income by more than $250,000 for the average class- room in our sample. We conclude that good teachers …Are teachers' impacts on students' test scores ("value-added") a good measure of their quality? This question has …' impacts on student achievement and (2) whether high-VA teachers improve students' long-term outcomes. We address these two …

-experimental design based on changes in teaching staff. Using school district and tax records for more than one million children, we find …

In Project STAR, 11,571 students in Tennessee and their teachers were randomly assigned to classrooms within their … impacts. First, students in small classes are significantly more likely to attend college and exhibit improvements on other …, students who had a more experienced teacher in kindergarten have higher earnings. Third, an analysis of variance reveals …

child's probability of attending college and her parents' income rank. We also calculate transition probabilities, such as a … these measures, we find that children entering the labor market today have the same chances of moving up in the income … distribution (relative to their parents) as children born in the 1970s. However, because inequality has risen, the consequences of …

improve students' long-term outcomes. Using school district and tax records for more than one million children, we find that … the present value of students' lifetime income by approximately $250,000 per classroom …Are teachers' impacts on students' test scores ("value-added") a good measure of their quality? This question has …