A best practice youth mental health promotion and suicide prevention program designed to harness the power of peer social networks to create healthy norms and culture, ultimately preventing suicide, violence, bullying, and substance misuse. The mission of Sources of Strength is to prevent adverse outcomes by increasing wellbeing, help-seeking, resiliency, healthy coping, and belonging. Sources of Strength moves beyond a singular focus on risk factors by utilizing an upstream approach for youth suicide prevention. This upstream model strengthens multiple sources of support, or protective factors, for young people so that when times get hard, they have strengths to rely on.