Purpose: Nowadays, participation and involvement have attracted serious consideration in all aspects of life, schools of thought, and religions. This issue is more intensely emphasized in education and parental involvement in school curriculum due to their knowledge of the interests and needs of their kids. Methods: the comments and ideas of curriculum experts were collected and analyzed through Delphi technique in order to conduct the present study and determine the significance of parental involvement and its components in the design and implementation of curriculum. Sampling was done using snowball technique and its volume was determined through saturation law. Findings: The main findings and components of this research include the necessity of parental involvement as an essential source of information. Conclusion: parental involvement as an essential requirement of today’s education, recognizing strong and weak points of the plan, providing necessary context for the participation of involved individuals and components, empowering curricula, realizing Islamic teachings and social customs, involvement as a social necessity, more precise and effective recognition of social norms, recognizing natural situations and necessary equipment, creating optima conditions for training an enlightened generation, removing the defects of involvement-free education, and establishing more cooperation among administrators and recovers of educational services.