“…In particular, there is a need for studies that examine the effects of school climate on bullying, as this is a factor that can actually be changed by educators and administrators (Ma, 2002). Indeed, previous studies have shown significant variation in bullying across school classes as well as across schools (e.g., Chaux, Molano, & Podlesky, 2009;Ertesvåg & Roland, 2015;Green et al, 2011;Khoury-Kassabri, Benbenishty, Avi Astor, & Zeira, 2004;Roland & Galloway, 2002, with greater variation across classes than across schools (Kärnä et al, 2011;Saarento et al, 2013).…”