PALS can provide you with advice and support to try and resolve a disagreement or complaint you have about a health service:
Find patient advice and liaison services (PALS) - NHS (www.nhs.uk)
If you’d like to escalate a complaint or formalise it then POhWER can support through their NHS Advocacy Service:
NHS Complaints Advocacy | POhWER
If your complaint is about an allegation of abuse at the place of learning you can contact the LADO (Local Authority Designated Officer):
Local Authority Designated Officer - Norfolk County Council
Judicial Review is another means of complaining about a decision made by the LA, same as a complaint to the LGSCO you cannot go to Judicial Review if there is a way to challenge the decision at a tribunal:
Judicial review | (IPSEA) Independent Provider of Special Education Advice