This Grade 12 Calculus rubric is designed to assess students’ understanding and application of key calculus concepts; ensuring a comprehensive evaluation of their mathematical proficiency. The rubric evaluates problem-solving skills; conceptual knowledge; and communication of mathematical reasoning; providing clear expectations for student performance. By using this rubric; educators can offer consistent and objective feedback; helping students identify strengths and areas for improvement. The rubric assesses four main categories: conceptual understanding; procedural fluency; problem-solving; and communication. Conceptual understanding measures the student’s grasp of fundamental calculus principles; such as limits; derivatives; and integrals. Procedural fluency evaluates the ability to perform calculations accurately and efficiently; applying rules like the chain rule or integration techniques. Problem-solving assesses the student’s capacity to analyze and solve real-world and abstract calculus problems; demonstrating logical reasoning. Communication evaluates how clearly students explain their thought processes; using proper notation and terminology. Each category includes performance descriptors for four achievement levels: emerging; developing; proficient; and exemplary. These descriptors provide detailed criteria; allowing students to self-assess and track their progress. The rubric supports differentiated instruction by highlighting individual learning needs; enabling targeted interventions. Using this rubric fosters a growth mindset by emphasizing mastery over grades. It encourages students to refine their skills through iterative practice and feedback. Teachers benefit from a structured assessment tool that aligns with curriculum standards; ensuring fair and transparent grading. Ultimately; this rubric enhances learning outcomes by promoting deep engagement with calculus concepts and preparing students for advanced mathematical studies.