Below are some online safety links which you may find helpful.
CEOP Report Abuse Button (for reporting suspected abuse)
Thinkuknow - https://www.thinkuknow.co.uk
Childline - https://www.childline.org.uk
CEOP - https://www.ceop.police.uk/safety-centre
Common Sense Media - https://www.commonsensemedia.org/
Vodafone's support website - http://vodafonedigitalparenting.co.uk/
Parent Zone's Popjam (Instagram for children) - http://parentzone.org.uk/article/popjam
UK Safer Internet Centre - https://saferinternet.org.uk/
Internet Matter - https://www.internetmatters.org/
The Local Authority also regularly provide updates and resources for both schools and parents.