“…Two conceptual lenses framed this research: the skill model of leadership presented by Mumford, Zaccaro, Harding, Jacobs, and Fleishman (2000) and effective school leadership outlined by middle grades advocates and researchers (Brown & Anfara, 2002;D. C. Clark & Clark, 2000, 2004, 2008Gale & Bishop, 2014;Jackson & Davis, 2000;Little & Little, 2001;Petzko et al, 2002;Weller, 2002).…”