This Grade 12 Astronomy rubric is designed to assess student understanding and application of key astronomical concepts; fostering critical thinking and scientific inquiry. The rubric evaluates knowledge of celestial mechanics; stellar evolution; cosmology; and observational techniques; ensuring students meet curriculum expectations. It provides clear criteria for performance levels; helping students identify strengths and areas for improvement while guiding teachers in delivering consistent and objective assessments. The rubric measures content mastery through explanations of astronomical phenomena; such as planetary motion; life cycles of stars; and the expanding universe. Students must demonstrate the ability to analyze data; interpret graphs; and apply mathematical models to solve problems related to orbital mechanics and light spectra. Higher performance levels require synthesis of multiple concepts; showing connections between theory and real-world observations. Scientific communication is emphasized; with criteria for clarity; logical reasoning; and proper use of terminology. Students must present findings through written reports; diagrams; or presentations; demonstrating their ability to convey complex ideas effectively. Practical skills; such as telescope use and data collection; are also assessed; reinforcing hands-on learning. The rubric supports differentiated instruction by outlining progressive achievement levels; allowing educators to tailor feedback and challenge students appropriately. It encourages self-assessment; helping learners track their progress and take ownership of their education. By aligning with curriculum standards; this rubric ensures a comprehensive evaluation of both theoretical knowledge and practical skills; preparing students for further studies in science or related fields. Its structured approach promotes academic rigor while making expectations transparent for all stakeholders.