Family functionality is when the family meets the needs of its members, especially adolescents. Resilience is the adolescent's ability to face situations in which there are difficulties, life problems and thus be able to overcome them. The purpose of the study is to determine the Level of Resilience and Family Functionality in Adolescents of two Educational Institutions of a Vulnerable Area in Lima Province. It is a non-experimental study, descriptive of a quantitative approach, it is a cross-sectional correlational investigation, with a population of 204 adolescents, also demographic data and the resilience scale (CD-RISC) and family APGAR. In the results regarding to the level of resilience and family functionality, adolescents present a mild family dysfunction with a medium level of resilience (58.0%), in comparison of the Educational Institutions, in both cases, the majority of students are located in the medium level of resilience, in the case of students from Honorio Manrique Nicho school 48.5% and in the case of students from the Andrés Avelino Cáceres school 54.2%. It is recommended in these institutions to carry out activities that promote the social formation of the adolescent, since this will allow them to communicate with society and the environment.