“…In addition, principals' positive instructional leadership behaviors affect teachers' perceptions of effective classroom instruction (Blasé & Blasé, 1999). However, survey studies reported elementary principals receive very limited preparation pertaining to special education, and in general, have limited knowledge of effective instructional practices for students with disabilities (Kaye, 2002;Lasky & Karge, 2006;Monteith, 2000;Wakeman et al, 2006). Furthermore, current instructional leadership models are characterized by the principal's active engagement in inspiring, educating, supporting, and collaborating with teachers to transform the quality of teaching and learning for all students (Glickman et al, 2001, Leithwood & Jantzi, 2000Sergiovanni & Starratt, 2007) and declare principals as the foundation for instructional leadership at the school level (Sergiovanni, 1998).…”