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Leithwood, Kenneth; Jantzi, Doris – Review of Educational Research, 2009
This review examined 57 post-1990 empirical studies of school size effects on a variety of student and organizational outcomes. The weight of evidence provided by this research clearly favors smaller schools. Students who traditionally struggle at school and students from disadvantaged social and economic backgrounds are the major benefactors of…
Descriptors: Secondary Schools, Disadvantaged, School Size, Evidence

Leithwood, Kenneth; Jantzi, Doris – School Leadership & Management, 2000
A study used survey data from an achieved sample of 1,818 elementary teachers and 6,490 students in a large Canadian school district to explore teacher and principal leadership influences on student engagement with school. Principal-leadership effects were weak but significant; teacher-leadership effects proved insignificant. (Contains 59…
Descriptors: Classroom Environment, Educational Environment, Elementary Education, Family Environment
Leithwood, Kenneth; Jantzi, Doris – Educational Administration Quarterly, 2008
Purposes: This study aimed to improve our understanding of the nature, causes and consequence of school leader efficacy, including indirect influences on student learning. We asked about district contributions to school leader efficacy, whether leader self- and collective efficacy responded to the same or different district conditions and the…
Descriptors: Academic Achievement, Educational Change, Instructional Leadership, Leadership Effectiveness
Leithwood, Kenneth; Jantzi, Doris – School Effectiveness and School Improvement, 2006
Using data from a larger 4-year evaluation of England's National Literacy and Numeracy Strategies, this study tested the effects of a school-specific model of transformational leadership on teachers (motivation, capacities, and work settings), their classroom practices, and gains in student achievement. Some 2,290 teachers from 655 primary schools…
Descriptors: Educational Change, Transformational Leadership, Foreign Countries, Achievement Gains

Leithwood, Kenneth; Jantzi, Doris – Journal of Educational Administration, 2000
Uses survey data from an achieved sample of 1,762 teachers and 9,941 students in a large Canadian school district to explore influences of transformational leadership practices on selected organizational conditions and student engagement with school. Transformational leadership strongly influenced organizational conditions and moderately but…
Descriptors: Educational Change, Educational Environment, Elementary Secondary Education, Foreign Countries

Jantzi, Doris; Leithwood, Kenneth – Educational Administration Quarterly, 1996
Develops a theoretical account of how teachers' perceptions of transformational leadership are formed. Provides an empirical test of this theory, which explains formation of teachers' leader perceptions as a function of alterable school-context conditions and unalterable characteristics of leaders and followers. Survey results from 423 schools…
Descriptors: Elementary Secondary Education, Principals, Teacher Administrator Relationship, Teacher Attitudes