Email Etiquette - How to Write an Email Lesson, Activities, and Assignments: Email etiquette is an essential life skill, and this comprehensive email writing resource gives students clear, practical instruction on how to write an email that is appropriate, professional, and effective. Designed for middle and high school classrooms, this email etiquette lesson, activities, and assignments walk students step by step through common email conventions, email mechanics, and the key parts of a professi