“…This is surprising given the considerable focus on gender differentials in academic achievement in the research literature in recent years (Diprete & Buchmann, 2013;Klein, 2007;OECD, 2015;Weaver-Hightower, 2003). The issue of a so-called "boy crisis" (Duckworth & Seligman, 2006;Husain & Millimet, 2009;Jóhannesson, Lingard, & Mills, 2009;Watson, Kehler, & Martino, 2010;Weaver-Hightower, 2003) 1 , i.e. the fact that boys seem to be overrepresented among students with low academic achievement, has often been linked to issues related to discipline and attention span that are particularly prevalent among boys.…”