AbstractThe purpose of this study was to develop a relationship model between parental involvement and the social skills of children with intellectual disabilities (ID) and to examine the role that parenting stress and parental perceived social support play in this relationship. A total of 692 parents of Chinese children with ID were selected as the sample using convenience sampling. The scales utilized in this study were the Social Responsiveness Scale Short Form, Parenting Stress Index-Short Form-15, Parental Involvement Questionnaire, and Multidimensional Scale of Perceived Social Support. The data were analyzed using SPSS 29.0 and SmartPLS 4.0. The findings revealed that parental involvement had a significant positive effect on social skills (_ = -0.091, p = 0.014) and a significant negative effect on parenting stress (_ = -0.137, p = 0.001). Additionally, parenting stress had a significant negative effect on social skills (_ = -0.546, p = 0.000). A mediation effect of parenting stress was.....