*First nonclinical application of DBT skills: a universal curriculum designed for school use with 11- to 17-year-olds (grades 6-12). *Brings DBT skills to a broader audience by embedding them in social-emotional learning (SEL); both DBT and SEL are in demand. *Allows teens to build and practice critical skills needed for mindfulness, emotion regulation, and decision making. *From uniquely experienced authors with a strong track record; foreword by DBT developer Marsha Linehan. * 30 teacher lesson plans include explicit instructions and reproducible student handouts. *Designed for school psychologists, counselors, and teachers; can be easily integrated into an existing multi-tiered system of support.