“…Recent research advances more reciprocal and inclusive models of instructional leadership within which principals share authority with designees (Heck, 1992;Heck et al, 1990), instructional coaches (Mangin, 2007), and classroom teachers themselves (Marks & Printy, 2003). Here empowering principals encourage collaborative inquiry rather than relying upon more conventional, principal-centered supervisory practices (Blase & Blase, 1999;Halverson, Grigg, Prichett, & Thomas, 2007;Reitzug, 1997). In response to these shared instructional leadership practices, teachers grow in their commitment, involvement, and willingness to innovate (Sheppard, 1996).…”