TEACHERS WHO HELP STUDENTS raise their standardized-test scores seem to have a lasting positive effect on their lives outside the classroom as well. A new study by professor of economics Raj Chetty, assistant professor in public policy John Friedman, and Columbia professor Jonah Rockoff found lasting evidence of lower teenage-pregnancy rates and greater college matriculation and adult earnings, reports the New York Times.
The study, in which the test scores and family tax returns of more than 2.5 million elementary- and middle-school students enrolled between 1989 to 2009 were analyzed, is the largest of its kind and will likely influence a national debate on how best to measure the quality of teaching, reports the Times. Among its findings, the study showed that just one year of schooling under a teacher whose classes score highly on standardized tests increases a student’s lifetime earnings by an estimated $50,000.
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