Abstract :
The study aimed to determine the application of the Problem-Based Learning model in ensuring school quality at SDN 3 Bulango Selatan, Bone Bolango Regency. The study used a qualitative descriptive method, with data collection techniques of observation, interviews and documentation from primary and secondary data sources. The study's results showed good progress because most teachers applied the Problem-Based Learning model. Based on the research, future research should focus more on teachers' creativity in developing the problem-based learning model.