On this page you will find some information that you may find useful.
National Online Safety - Minecraft Online Safety Guide for Parents - https://nationalonlinesafety.com/resources/platform-guides/minecraft-online-safety-guide-for-parents
KnowitAll - 5 videos, which you can view/download individually or in one movie, to teach pupils and students how to stay safe online. Follow the adventures of the SMART Crew and learn how to be SMART online! -http://www.childnet.com/kia/primary/smartadventure/default.aspx