Fourth grade teacher Sheri Lederman has a doctorate and over 17 years experience teaching, and her district superintendent says she has a "flawless record," according to the Washington Post. Still, ...
In recent years, 14 states in the U.S. have begun assessing teachers and schools using Value-Added Models, or VAMs. The idea is simple enough: A VAM looks at year-to-year changes in standardized test ...
A new study has developed a novel way of evaluating and improving VAMs. By taking data from Boston schools with admissions lotteries, the scholars have used the random assignment of students to ...
Fourth grade teacher Sheri Lederman has a doctorate and over 17 years experience teaching, and her district superintendent says she has a "flawless record," according to the Washington Post. Still, ...
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