“…The primary intervention theoretical underpinnings are developmentally appropriate MHL (Kagstrom et al, 2023), SEL (CASEL, 2015), and WHO recommendations (2021) for MHL interventions to promote positive mental health and mental well-being. The main curriculum components consist of teaching a holistic model of health (Engel, 1977), effects of stress and its management (Romeo 2013;WHO, 2020), self-regulation techniques (Arch & Craske, 2006;Khng, 2017), sleep hygiene (Zhang et al, 2018), mindfulness (Broderick & Metz 2009;Zelazo & Lyons, 2012;Zenner et al, 2014), gratitude (Gottlieb & Froh 2019;Wilson, 2016), healthy relationships serving as a protective factor for mental well-being and preventative buffer against suicidal ideation and behavior (Lieberman et al, 2014), healthy communication (Bodie et al, 2015;Elias & Tobias 2019;Jalongo 1995;Rogers et al, 2018), self-esteem (Sharaf et al, 2009), and mental health first aid (Bjørnsen et al, 2019;Goodfellow et al, 2022;Mohammadi et al, 2020;Nobre et al, 2021;Ratnayake & Hyde, 2019;Seedaket et al, 2020).…”