1982-7199 1982-7199 S1982-71992018000200395 10.14244/198271992525 USA USA USA 00 08 2018 00 08 2018 12 2 395 407

ACT ACT 16 152-59 2 68 276-86 BILL AND MELINDA GATES FOUNDATION BILL AND MELINDA GATES FOUNDATION Learning about Teaching: Initial Findings from the Measures of Effective Teaching Project]]> 48 699-732 30 3 3 203-35 Finding a new way: Leveraging teacher leadership to meet unprecedented demands]]> 65 1 1 14-9 60 364-79 38 915-45 46 302-31 65 74-7 7 1-13 35 679-706 44 635-74 The essential knowledge and skills of teacher leaders: Asearch for a conceptual framework]]> 32 22-5 Balanced Leadership: What 30 Years of Research Tells Us about the Effect of Leadership on Student Achievement]]> 79 76-81 74 255-316