“…Recent research includes qualitative case studies of highly challenged, high-performing schools (Charles A. Dana Center, 1999;J. F. Johnson, Lein, & Ragland, 1998;Maden, 2001;Scheurich, 1998) and quantitative studies examining indirect leadership effects on student outcomes (Hallinger, Bickman, & Davis, 1996;Heck, 1992Heck, , 2000Heck, Larsen, & Marcoulides, 1990;Leithwood & Jantzi, 1999;Marks & Printy, 2003). In fact, an extensive review of evidence related to the nature and size of these effects concluded that, among school-related factors, leadership is second only to classroom instruction in its contribution to student learning (Leithwood, Louis, Anderson, & Wahlstrom, 2004).…”