This Grade 9 Biology rubric is designed to provide clear and consistent evaluation criteria for student performance across key biological concepts. The rubric assesses knowledge; understanding; and application of fundamental topics such as cell biology; genetics; ecology; and human physiology. It supports educators in delivering fair and objective feedback while helping students identify strengths and areas for improvement. The rubric evaluates students on four key criteria: content knowledge; scientific reasoning; communication; and practical application. Content knowledge measures accuracy and depth of understanding in biological concepts. Scientific reasoning assesses the ability to analyze data; draw conclusions; and apply critical thinking skills. Communication evaluates clarity and organization in written and oral explanations. Practical application measures proficiency in conducting experiments; interpreting results; and connecting theory to real-world scenarios. Each criterion is divided into four performance levels: emerging; developing; proficient; and exemplary. Emerging indicates a basic grasp of concepts with significant gaps. Developing shows partial understanding with room for improvement. Proficient demonstrates solid comprehension and application. Exemplary reflects advanced mastery and independent thinking. This rubric promotes student growth by providing transparent expectations and actionable feedback. It encourages self-assessment and goal-setting; fostering a deeper engagement with biology. Teachers can use it to tailor instruction; address learning gaps; and challenge high-performing students. By aligning assessments with learning objectives; the rubric ensures a structured and meaningful evaluation process that supports academic success in Grade 9 Biology.