Hello, I have a dyspraxic son in Year 4 at a state school. I do think the attitude of the teacher / school makes a difference.
My son was assessed by the local occupational therapy service. They made a written recommendation that he use a computer for large pieces of work and ultimately for all work. The view was that he will never be able to write at speed and should rather pick up ICT skills earlier. This has helped - although he has a long way to go with typing! Perhaps the team that assessed your son can make a similar recommendation?
Last year there was a man in the school on work placement and the school assigned him to my son as a scribe. He loved this, for the first time he managed to get a great story completed (he is a very imaginative)
There are lots of simple things that his teachers have done - fiddle toys, independent work at a separate desk, buddy, watching out for situations that unsettle him. They are all part of a plan prepared with the SENCO and by all accounts do not take up too much extra class time - the key is to have a plan and tools. Does your son have an individual education plan?
My son can struggle with what I call 'inclusion'. He has good friendships, but when there are group activities, he sometimes can't work out how to be included, involved, or co-operate. Because it becomes too hard to be included, he acts out, becomes disruptive and negative. He has to be told off when he misbehaves. The other children think he is 'stupid', 'speak babyish' to him - his words. This is one aspect of his dyspraxia experience that makes me sad, that I wish could be better for him :(
I can only imagine how stressful it must be for our children being required to deliver work and behave at a level sometimes beyond their physical / developmental level.
Your school needs to do a better job of planning for your son's needs.