As preschool educators and parents alike continue to recognize the vital role that social-emotional learning (SEL) plays in early childhood development, the adoption of preschool SEL curriculum has become increasingly prevalent SEL refers to the process through which young children acquire and apply the knowledge, skills, and attitudes necessary to understand and manage emotions, set and achieve positive goals, feel and show empathy for others, establish and maintain positive relationships, and make responsible decisions preschool sel curriculum.