These are some websites that you may find useful:

Friends and Families of Special Children gives a wealth of information for parents and local events and support groups

National Autistic Society

NASEN - national organisation for SEN, including publications

Family Lives - advice and support with a helpline, useful for behaviour issues

Young Minds - advice relating to emotional and mental health, also has a parent helpline

Special Needs Jungle - advice for and from parents of SEND children

Nip in the Bud - information and advice on mental health disorders

 

Kooth - an online mental wellbeing community

 

This is a link to an anxiety home toolkit that parents can use to help their child if they are struggling with anxiety Anxiety Home Toolkit