Learning skills for students with mild intellectual disability has a very important position in the educational process, so that students with mild intellectual disability have the skills to live independently, adapt to the environment and can work according to their abilities so that they can meet their own needs. The purpose of this study is to compile an assessment instrument for mendoan making skills for students with mild intellectual disability in class XII. This research uses a descriptive method with a qualitative approach. The subjects in this study were 1 teacher from SLB BC Al-Azhar Leuwimunding and 3 students from SLB BC Al-Azhar Leuwimunding. The results of this study show that children are able to recognize tools and materials, prepare tools and materials, the process of making mendoan, maintain tools and materials and utilize the results. Referring to the conclusion of the study, the researcher recommended to school principals to guide teachers in compiling and implementing assessment instruments to make prayers for students with mild intellectual disability in class XII, in order to improve the quality of educational services in the vocational field.