Community health centres in South Africa have faced challenges in achieving optimal service delivery. A Bayesian hierarchical model was applied to assess the performance of community health centres across various regions, with data from . The analysis revealed significant variability in service delivery quality among different geographic areas (e.g., urban vs. rural), indicating a need for targeted interventions. Bayesian hierarchical models provide valuable insights into the performance and disparities of community health centres, supporting evidence-based decision-making. Interventions should focus on enhancing service delivery in underserved regions to improve overall quality and efficiency. Community Health Centres, Bayesian Hierarchical Model, Yield Improvement, South Africa Treatment effect was estimated with $\text{logit}(p_i)=\beta_0+\beta^\top X_i$, and uncertainty reported using confidence-interval based inference.