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Author: "Charles T. Clotfelter"   

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PostedTitleAuthorIn / AtTypeYear
3/16/16The Aftermath of Accelerating Algebra Evidence from District Policy InitiativesCharles T. Clotfelter, Helen F. Ladd, Jacob L. VigdorThe Journal of Human ResourcesPeer-Reviewed Article2015
3/22/12The Aftermath of Accelerating Algebra: Evidence from a District Policy InitiativeCharles T. Clotfelter, Helen F. Ladd, Jacob L. VigdorNational Center For Analysis Of Longitudinal Data...Working Paper2012
4/03/07How and Why Do Teacher Credentials Matter for Student Achievement?Charles T. Clotfelter, Helen F. Ladd, Jacob L. VigdorCALDERWorking Paper2007