Internalizing and externalizing mental health problems affect in-school adolescent's health-related quality of life in eastern Ethiopia: A cross-sectional study.

Nearly a quarter of in-school adolescents had poor health-related quality of life. High scores for internalizing and externalizing mental health problems significantly impacted the adolescents' health-related quality of life. This emphasizes the need to address mental health issues in the school setting to improve adolescents' overall quality of life.