We examined the mediation effect of moral disengagement in the association between children's cumulative risk and high experience of school bullying. Additionally, we determined whether this mediating process was moderated by gender. A sample of 509 Chinese adolescent school students (female = 39.50%; mean age = 13.02 years, SD = 0.86 years) completed the measures of cumulative risk (parent-child relationship, friend support, and school connectedness), moral disengagement, and school bullying. Path analysis results revealed that the association between cumulative risk and high school bullying ...