00329pab a2200121 454500008004000000100001700040245007500057260000900132300001400141362000800155650001300163773003100176180718b2008   xxu||||| |||| 00| 0 eng d  aKoedel, Cory  aTeacher quality and dropout outcomes in a large, urban school district  c2008  ap.560-72.  aNov  aTeachers  aJournal of Urban Economics