First up, the author of the hugely popular Dogman books, Dav Pilkey, has both ADHD and dyslexia. His books are creative. Maybe we can use this to encourage your child’s strengths.
Secondly, it seems that your child needs help with regard to executive functioning. I went for an ADHD workshop last year. This post comprises a list of the executive functioning skills we can develop in neurodivergent kids: https://diaperfinancingfund.blogspot.com/2024/11/learning-takeaways-from-adhd-workshop.html?m=1. Zero in on one skill at a time and work with your child to master it. Routines are important. Help your child fall back on automaticity.
In order to do so, I suggest you work with your son’s teachers and SEN officers to collect data. Why do they think he cannot focus? Is it the time of the day? Is the lesson immediately after PE and he needs time to settle down? Is it avoidance because he cannot complete the task? We can only intervene meaningfully when we understand the root causes of his behaviour.
Lastly, ask your son’s teachers if they can incorporate movement breaks or brain breaks into their lessons. Movement breaks as in getting him to distribute the workbooks, clean the whiteboard, basically anything that involves him getting out from his seat. Brain breaks as in breathing exercises, Wordle quizzes and even songs. Stuff that helps to break the monotony of a 30-min or one hour lesson.
Hang in there. Hope this helps.
@TNStacker, wrote this as a reply to a parent’s group on FB. Thought of you.