“…To highlight the diversity, eight different trauma-informed theories and models were identified in this systematic review; however, there was some overlap, with several studies drawing from the same model of implementation. To illustrate, four studies (Dorado et al, 2016; Holmes et al, 2015; Mitchell, 2016; Pfenninger Saint Giles, 2016) used the attachment, self-regulation and competency model (Blaustein & Kinniburgh, 2010) to inform their trauma-informed approach, with four additional studies (Baroni et al, 2016; Crosby et al, 2017, 2018; Day et al, 2015) using a modified version of the heart of teaching and learning: compassion, resiliency and academic success program (Wolpow et al, 2009) as well as the monarch and dream catcher rooms…”