This study aims to: Describe the management of SPMI in SD Muhammadiyah Kadisoka. Facts that are still very vulnerable to occur in SPMI in schools are the weak commitment of school authorities, less than optimal leadership, limited competence of human resources towards SPMI, the culture of resistance, indifference to stakeholders, lack of socialization, the weak formulation of the contents of standard policies and SPMI manuals, as well as facilities and minimal infrastructure. The type of research used is qualitative with descriptive research methods and data collection techniques using observation, interviews and documentation. The informants in this study were the principal, vice-principal for curriculum and one of the homeroom teachers at SD Muhammadiyah Kadisoka. The results of this study indicate that the management of SPMI which takes place in SD. Muhammadiyah Kadioska goes through the stages of the planning process adjusted to the SNP, the strengths and weaknesses of the school, the implementation of the program, and then next is the implementation of monitoring/evaluation. SPMI management at SD Muhammdiyah Kadisoka is a continuous step carried out by SD Muhammadiyah Kadisoka in order to achieve the goal of quality education and benefits for the continuity of good education which is also felt by the wider community. Internal Quality Assurance can not only have a good impact on the programs run by the school but can make students excel in academic, religious, and cultural aspects as well as improve students’ psychomotor skills.