Violence exposure in children can lead to psychological problems and poor health outcomes that can be associated with post-traumatic stress disorders (PTSD).  This study aimed to estimate the prevalence of full or partial PTSD associated with exposure to the community and domestic violence in school-aged children in Sri Lanka.  The study aimed to (1a) estimate the prevalence of community violence and domestic violence among school-aged adolescents in Sri Lanka, (1b) estimate the prevalence of community violence and domestic violence overall and by gender among school-aged adolescents in Sri Lanka, (2) among those who experience community and/or domestic violence, what is the prevalence of partial PTSD and full PTSD, and (3) what is the relationship between age, gender, socioeconomic status, and length of exposure and partial or full PTSD.