<![CDATA[The selection of extracurricular activities at SMP Negeri 3 Bukittinggi has generally been conducted based on subjective judgments, making it difficult for students to choose activities that match their interests and abilities. This study aims to develop a Decision Support System (DSS) for extracurricular selection using the Analytic Hierarchy Process (AHP) method. The study employed a Research and Development (R&D) approach with the Agile development model. The system was developed as a web-based application using PHP and MySQL. The AHP method was implemented to determine the priority weights of four decision criteria, namely students’ interests, talents, activity schedules, and parental support. The priority weights were obtained through pairwise comparisons based on the level of importance of each criterion and were subsequently used to calculate the priority of each extracurricular alternative. System feasibility was evaluated through validity, practicality, and effectiveness testing. The validation results obtained a score of 0.961, categorized as valid, while the practicality test produced a score of 0.97, categorized as very high. Furthermore, the effectiveness test involving 26 students resulted in an N-Gain score of 0.919, categorized as very effective. These findings indicate that the developed decision support system is valid and practical to use. The effectiveness test also indicates a substantial increase in students’ scores after using the system. Therefore, the developed system can support a more objective, systematic, and transparent extracurricular selection process based on students’ characteristics and the established decision criteria.]]>
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