This rapid review responds to the question: What is the link between MHPSS and SEL and how can these interventions improve the learning outcomes of children during or after conflict situations? It synthesises findings on the importance of provision of mental health and psychosocial support interventions (MHPSS) and social and emotional learning (SEL) support for protecting or promoting the general psychosocial wellbeing of individuals and the treatment of more serious mental health issues, particularly in conflict or post-conflict situations.