TY - BOOK AU - DuFour,Richard TI - Raising the bar and closing the gap: Whatever it takes SN - 9781935249849 (perfect bound) AV - LB 1025.3 .R35 2010 U1 - 371.102 22 PY - 2010/// CY - Bloomington, IN PB - Solution Tree Press KW - Effective teaching KW - United States KW - School improvement programs KW - Educational change KW - Learning N1 - Includes bibliographical references and index ER -