This Grade 10 Environmental Science rubric is designed to assess student understanding of key ecological concepts; scientific inquiry; and environmental stewardship. The rubric evaluates students across four key areas: knowledge and understanding; critical thinking and analysis; communication and application; and scientific skills and processes. Each category includes clear performance descriptors to help students identify expectations and track their progress. In the knowledge and understanding category; students demonstrate their grasp of environmental science principles; including ecosystems; biodiversity; and human impacts. The critical thinking and analysis section measures their ability to evaluate environmental issues; interpret data; and propose evidence-based solutions. Communication and application assess how effectively students convey ideas; use scientific terminology; and apply concepts to real-world scenarios. The scientific skills and processes category evaluates laboratory techniques; research methods; and data collection accuracy. This rubric supports student learning by providing transparent criteria for success; encouraging self-assessment; and fostering a growth mindset. Teachers can use it to deliver consistent feedback; helping students identify strengths and areas for improvement. By aligning with curriculum standards; the rubric ensures that assessments are meaningful and relevant. It also promotes higher-order thinking by requiring students to analyze; synthesize; and evaluate environmental challenges. The rubric encourages active engagement with environmental issues; preparing students to become informed citizens. Through structured evaluation; students develop scientific literacy; problem-solving skills; and a deeper appreciation for sustainability. This tool benefits both educators and learners by creating a clear framework for academic achievement in environmental science.