Seven tips are provided for writing effective student comments: 1) Focus on student behavior and learning goals rather than personal opinions. 2) Emphasize student understanding over grades. 3) Provide specific examples of what a student can improve on, rather than vague statements like "try harder". 4) Look for positive behaviors to reinforce. 5) Suggest areas for all students to refine their skills, including high-achievers. 6) Consider your intended audience such as parents. 7) Proofread comments for errors before sending them home.