Level 1: The paragraph demonstrates limited understanding of the topic with a main idea that is unclear and supported by few or irrelevant details. Level 2: The paragraph demonstrates some understanding of the topic with a main idea that is somewhat clear but supported by limited and partially relevant details. Level 3: The paragraph demonstrates considerable understanding of the topic with a clear main idea and relevant supporting details. Level 4: The paragraph demonstrates thorough understanding of the topic with a clear and insightful main idea supported by highly relevant and detailed supporting information. Level 4.5: The paragraph demonstrates an exceptional understanding of the topic with a main idea that is clear, insightful, and supported by comprehensive and highly relevant details.