The purpose of this study is to describe the effectiveness of learning implemented at SD Negeri Bolo 01 Madiun associated with learning outcomes (CP). This type of research is descriptive qualitative. The data source is learning activities in class IV using the Merdeka curriculum. Data collection through questionnaires. The results of the study are the implementation of the Merdeka curriculum in supporting learning outcomes, in terms of measurable and specific, getting an index% of 73.33% in the good category. Meanwhile, flexible got an index% of 62.67% with a good category. Inventory of environmental learning resources, formulating the stages of the learning process, and developing authentic assessments, need to be developed. The conclusion of this study is that the implementation of the Merdeka curriculum can be said to be good, but the ability to realize learning needs attention.