Adolescence is a critical period where social skills play an important role in the personal performance of each individual, for which the family plays a fundamental role in the development and consolidation of these social skills. The article aims to identify the relationship between social skills in adolescents and family functionality. Quantitative research method, descriptive - correlational type; With a population of 726 and a sample of 251 students from first to fifth year of high school, it was carried out using stratified random probability sampling. The instrument that was used is the structured test of social skills of the Ministry of Health and the family APGAR that evaluates five basic functions Adaptation, Participation, Gradient of personal resource, Affection, and Resources. The results indicate that there is a positive correlation between social skills and family functiona...