Severe stress can make the adaptability of adolescents adaptive or maladaptive and threaten a person's ability to deal with their environment. The aim of this study was to determine the relationship between adolescent stress levels and adaptability. This is a quantitative observational analytical study with a cross sectional design. The sample size was 69 teenagers who were selected using proportional stratified random sampling. Data were collected using the Depression Anxiety Stress Scale (DASS 42) questionnaire for stress levels and the Individual Adaptability (I-ADAPT) questionnaire for adaptability. The data were analyzed using the chi-square test statistical test. The results showed that adolescents who experienced severe stress with maladaptive adaptability of 30 (54.5%). The results of the analysis show that there is a significant relationship between adolescent stress levels and adaptability with p value = 0.000 = 0.05. there is a relationship between stress levels and adaptability in adolescents. counseling guidance is needed for students who experience stress and the ability to adapt.