01661nam 2200445 450 991071714830332120220201130130.0(CKB)5470000002528733(OCoLC)1294404220(EXLCZ)99547000000252873320220201d2020 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierPrincipal professional development in U.S. public schools in 2017-18 /Laurie Lewis, Jenna Scott[Washington, D.C.] :Institute of Education Sciences, National Center for Education Statistics, U.S. Department of Education2020.1 online resource (11 pages) color illustrationsStats in brief"November 2020.""NCES 2020-045."Includes bibliographical references (page 11).Principal professional development in United States public schools in 2017-18School principalsUnited StatesStatisticsSchool principalsTraining ofUnited StatesStatisticsCareer developmentUnited StatesStatisticsStatistics.lcgftSchool principalsSchool principalsTraining ofCareer developmentLewis Laurie1383712Scott JennaNational Center for Education Statistics,GPOGPOBOOK9910717148303321Principal professional development in U.S. public schools in 2017-183529202UNINA