“…The international literature reflects an extensive evidential base around system leaders/ship as a policy driver for system improvement. In Canada, Georgia, England, Hong Kong, New York, Latin America, Singapore, Scotland, Australia and New Zealand there are specific examples of policy interventions, around system leaders/ship, directly aimed at building the capacity for school/system improvement (Mitchell and Sackney 2016;Sentocnik, Sales, and Richardson 2016;Elwick 2017;Weinstein and Hernández 2015;Hamilton, Forde, andMcMahon 2018: Robinson, McNaughton, andTimperley 2011;Watterston, Dinham, and Caldwell 2011;Dimmock 2016;Southworth and Quesnay 2005;Szeto 2019;.…”