This paper summarizes high-quality research findings, which show that intrapersonal and interpersonal MESH [Mindsets, Essential Skills, & Habits] skills, such as self-control and social competence, are well-established predictors of success in academics, career, and well-being. Given the importance of these outcomes and the strength of the existing research, it is time for these competencies to be incorporated effectively into educational policy and practice as complements to existing academic and cognitive goals in order to ensure schooling works to help all students flourish.