Purpose: Considering the importance of curriculum for different classes, especially for multi-grade classes, the present research was conducted with the aim of validating and presenting the curriculum pattern of multi-grade classes of elementary school. Methodology: This study in terms of purpose was applied and in terms of implementation method was mixed. The population of the qualitative part of the current research was the documents related to the research field in scientific databases of internal (1391-1402) and external (2013-2023), which numbers of 27 document were selected as a sample with using the purposive sampling method. The population of the quantitative part of the current research was the experts familiar with the field of research, which numbers of 25 expert were selected as a sample with using the purposive sampling method. The research tool in the qualitative part was taking notes from the documents and in the quantitative part was answering about the validity of the designed pattern with the criteria of adaptability, comprehensibility, research process evaluation, generalizability, theory evaluation and control. The data of the qualitative part to present the curriculum pattern of multi-grade classes of elementary school were analyzed with the meta-synthesis method in MAXQDA version software, and the data of the quantitative part to validating the mentioned pattern were analyzed with the one sample t-test in SPSS version 23 software. Findings: The findings showed that the curriculum pattern of multi-grade classes of elementary school had 157 indicators in 28 components and 10 dimensions including the logic, purpose, content, learning methods, teacher, materials and resources, student, time, place and evaluation methods, which based on it, the pattern of dimensions and components of curriculum of multi-grade classes of elementary school were drawn. Other findings showed that the curriculum pattern of multi-grade classes of elementary school was valid based on the criteria of adaptability, comprehensibility, research process evaluation, generalizability, theory evaluation and control. Conclusion: The designed curriculum pattern of multi-grade classes of elementary school in the present research can help experts and planners in improving the curriculum status of multi-grade classes.
