When a school weaves social-emotional learning throughout its curriculum and culture--both helping students tune in to emotions and teaching "emotional skills" for handling difficult feelings--students and teachers thrive. Brackett discusses ways to develop the emotional intelligence of everyone in the school and lists five key emotion skills at the heart of RULER, a program created by the Yale Center for Emotional Intelligence to infuse SEL throughout a school or district. He briefly describes RULER's tools and strategies.