While such connection between an instructional leader and a vigorous teacher-leader team seems natural in the school with instructional effectiveness, the research evidence is surprisingly limited. To fill the gap, these factors are linked such that principals' effort on instruction will lead them to change the school's leadership structure by…

"TAP"™: "The System for Teacher and Student Advancement (TAP™)" is an educator effectiveness program that aims to improve student achievement through supports and incentives for teachers. Based on the research, "TAP"™ teachers were found to have no discernible effects on student achievement in science, English…