 Aged between 12 and 17 inclusive; Type 1 diabetes diagnosis confirmed by a physician according to the diagnostic criteria IDF ISPAD, 2011; Length of more than 6 months in the disease; Treatment with insulin for at least 6 months before the educational intervention; Inclusion in a TPE program Pediatric Diabetes allowed by the Regional Health Agency Mastery of the French language in written form elementary level; Mastery of speaking the French language elementary level; Consent signed by the holders of parental authority and adolescents. 