If you think your child may have an additional need please let their class teacher know in the first instance. The class teacher will then speak to the SENCo.
Take a look at the information regarding SEND on this website for more help and support.
Take a look at Cheshire East's Local Offer here:
You can also take a look at the DFE guide for parents here:
There is also support and advice available here on a website set up by parents of children with SEND.