This Grade 11 Environmental Science rubric is designed to assess student understanding of key environmental concepts; scientific inquiry; and critical thinking skills. The rubric evaluates students across four main categories: knowledge and understanding; inquiry and investigation; communication; and application of concepts. Each category includes specific criteria aligned with curriculum expectations to ensure a comprehensive evaluation of student learning. In the knowledge and understanding category; students demonstrate their grasp of environmental science principles; including ecosystems; biodiversity; climate change; and human impacts on the environment. This ensures they build a strong foundation in core concepts essential for further study. The inquiry and investigation category assesses students’ ability to design experiments; collect and analyze data; and draw evidence-based conclusions. These skills foster scientific literacy and problem-solving abilities. The communication category evaluates how effectively students convey their ideas through written reports; presentations; and discussions. Clear communication is vital for sharing scientific findings and advocating for environmental stewardship. Finally; the application of concepts measures students’ ability to connect classroom learning to real-world environmental issues; encouraging them to propose sustainable solutions. By using this rubric; educators provide consistent and transparent feedback; helping students identify strengths and areas for improvement. Students benefit from clear expectations; which guide their learning and encourage self-assessment. The rubric also supports differentiated instruction; allowing teachers to tailor lessons to meet diverse learning needs. Overall; this tool promotes academic growth; scientific curiosity; and environmental responsibility; preparing students for future studies and active citizenship in an increasingly eco-conscious world.