"Digital Citizenship can be defined as the norms of appropriate, responsible behavior with regard to technology use." (Digital Citizenship Institute)
The Digital Citizen shall follow these six tenets of citizenship:
Common Sense Education: Digital Citizenship - this site is a great resource for teachers, but students and parents may benefit as well.
Digital Citizenship: Using Technology Appropriately - this site provides a host of resources on this topic...great for students, parents, and teachers.
The Digital Citizen - this site identifies and more clearly defines the six tenets of digital citizenship.