<![CDATA[Examination management in schools remains constrained, particularly in institutions that rely on generic platforms such as Google Forms. These platforms lack centralized data management, are vulnerable to academic dishonesty, and hinder teachers from analyzing learning outcomes. This study aims to develop a web-based examination application for the Informatics subject at SMP Negeri 7 Bukittinggi that is valid, practical, and effective. A Research and Development (R&D) approach was employed using the Prototype model, comprising communication, quick design, prototype building, user evaluation, refinement, and implementation. The subjects were three expert validators (two programming experts and one language expert), two Informatics teachers for the practicality test, and 30 seventh-grade students for the effectiveness test. Data were collected through questionnaires and analyzed using Aiken's V for validity, Moment Kappa for practicality, and the N-Gain Score for effectiveness.The results showed a validity score of 0.95 (valid), a practicality score of 0.959 (very high), and an effectiveness score of 0.898 (high), with all respondents in the high-gain category. These findings indicate that the application is a feasible, more secure, and integrated alternative for learning assessment that supports digital assessment under the Merdeka Curriculum.]]>
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