This Grade 8 Geometry rubric provides a clear and structured framework for assessing students’ understanding of key geometric concepts aligned with grade-level standards. The rubric evaluates proficiency across four main categories: geometric properties; transformations; measurement; and problem-solving. Each category includes specific performance indicators that allow teachers to measure student progress accurately and provide targeted feedback. In the geometric properties section; students demonstrate their ability to classify shapes; understand angle relationships; and apply the Pythagorean Theorem. The transformations category assesses skills in performing and describing translations; reflections; rotations; and dilations on the coordinate plane. The measurement component evaluates students’ ability to calculate area; volume; and surface area of two• and three-dimensional figures. Finally; the problem-solving section measures students’ capacity to apply geometric concepts to real-world scenarios and justify their reasoning. Using this rubric supports student learning by setting clear expectations and helping them identify areas for improvement. Teachers can use the rubric to guide instruction; differentiate support; and track growth over time. Students benefit from consistent; objective feedback that reinforces their strengths and addresses gaps in understanding. The rubric also encourages critical thinking by requiring explanations and justifications for solutions. By aligning assessments with learning objectives; this rubric ensures that students develop a strong foundation in geometry; preparing them for higher-level math courses. It promotes a growth mindset by emphasizing progress and mastery rather than just grades. Overall; this tool enhances both teaching and learning by fostering a deeper; more meaningful engagement with geometric concepts.