Edmodo is a free social learning platform that allows teachers, students, and schools to connect safely. It provides a way for teachers to share content, assignments, grades, and notices with students, and for students to collaborate and participate in discussions. The platform ensures student safety and privacy. The guide outlines how teachers can set up their Edmodo account, create classes, post assignments and materials, provide grades, and use other tools to engage students. It also describes how students and parents can sign up and access materials through the Edmodo app or website.