This document introduces Penzu, a free online journaling tool that can be used for personal, academic, or professional journaling. It discusses the educational benefits of journal writing and how Penzu can specifically support student learning. Teachers can use Penzu to assign journal prompts, assess student writing, and take notes on student progress. The document provides examples of how Penzu could be incorporated into lesson plans and classroom activities at various grade levels. Pros and cons of the tool are outlined, and videos are linked to demonstrate Penzu's features and capabilities.