Abstract: The general objective of this research was to assess the effect of monitoring and evaluation on performance of Tourism Revenue Sharing Project in Musanze District in Rwanda. This study was guided by Systems Theory, Theory of Change and Theory of Constraints. This study used descriptive and correlational research design with qualitative and quantitative approaches. The population of the study was 295 employees classified into three groups: RDB Staff, Local leaders in Musanze District, Project consultants and Beneficiaries representatives. The researcher used census technique rather than sampling due to the small population. The study used questionnaire as instrument for collection. data processing was concerned with sorting replies into relevant categories, which included editing, coding, and tabulation. Data analyzed using SPSS (Statistical Package for Social Sciences) version 25 to determine frequency, percentage, mean, standard deviation, correlation and regression analysis. The regression model explained 76.3% of the variance in project performance, confirming the importance of comprehensive M&E systems in public development programs. The study confirms that strengthening M&E systems in development projects leads to better planning, accountability, and performance outcomes. Tourism Revenue Sharing Project should strengthen continuous capacity building for all project staff and local leaders involved in the Tourism Revenue Sharing Project.