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Clotfelter, Charles T.; Ladd, Helen F.; Vigdor, Jacob L. – Journal of Human Resources, 2010
We use data on statewide end-of-course tests in North Carolina to examine the relationship between teacher credentials and student achievement at the high school level. We find compelling evidence that teacher credentials, particularly licensure and certification, affects student achievement in systematic ways and that the magnitudes are large…
Descriptors: Credentials, High Schools, Academic Achievement, Poverty
Clotfelter, Charles; Ladd, Helen F.; Vigdor, Jacob; Wheeler, Justin – Sanford School of Public Policy, 2006
Although many factors combine to make a successful school, most people agree that quality teachers and school principals are among the most important requirements for success, especially when success is defined by the ability of the school to raise the achievement of its students. The central question for this study is how the quality of the…
Descriptors: Poverty, Academic Achievement, Labor Market, Educational Opportunities
Clotfelter, Charles; Ladd, Helen F.; Vigdor, Jacob; Wheeler, Justin – Terry Sanford Institute of Public Policy, 2006
Although many factors combine to make a successful school, most people agree that quality teachers and school principals are among the most important requirements for success, especially when success is defined by the ability of the school to raise the achievement of its students. The central question for this study is how the quality of the…
Descriptors: Disadvantaged Schools, Poverty, Principals, Teachers