Accidents and disasters can potentially affect most elementary school students. Accordingly, comprehensive school safety is important to ensure children's safety. This study aimed to identify the key indicators of the minimum standards for Disaster Preparedness and Safety School programs as a conceptual framework of comprehensive school safety in Indonesian elementary schools. This exploratory study was conducted with nine key informants using a qualitative descriptive approach. The data from semi-structured interviews with experts in disaster risk reduction were analyzed using content analysis. This study identified 23 key indicators, namely: commitment, policy and regulation, planning, budgeting, risk assessment, teamwork, coordination, standard operating procedure, technical guideline, monitoring and evaluation, resource mobilization, infrastructures, information system, assembly points, safe zones, sister schools, curriculum integration, integration to learning activities, simulation training programs, trained teachers, dissemination of information, student cadres, and safety competition. There were nine indicators identified as school disaster management pillars, five indicators for safe school facilities, and nine indicators for risk reduction education.