Abstrak
The problem addressed in this research is how to create a decision support system for monthly evaluation of the best male and female students of Ar-Rahmah using the Simple Additive Weighting method. The data collection methods used in this research are observation, literature study, and interviews. The research design used in this study is rapid application development (RAD), and a case study design was used to design the system process using UML. The testing method used in this research is Blackbox Testing. The results of this research have been successfully implemented into a website-based system. The results of the Blackbox Testing conducted on the system yielded expected results. Based on comparison with manual calculations, the system produced the same results, making it easy for users to operate.