Below are some helpful websites for parents, kids, tweens and teens.
SafeKids.Com: Digital citizenship, online safety and civility
http://www.safekids.com/kids-rules-for-online-safety/
Federal Trade Commission
https://www.consumer.ftc.gov/topics/protecting-kids-online
The United States Department of Justice
https://www.justice.gov/criminal-ceos/children-internet-safety