A Mind Map, created in PowerPoint, that works as a poster or as a mini presentation that could be used as part of staff training or to build awareness. This list of difficulties is not exhaustive but is a flavour of some of the issues that can affect students with Oppositional Defiant disorder.
Dyslexia Card for Teachers - from Dyslexic Advantage. Actually, 1 in 5 students are dyslexic, but other than that, this would be a good card to give to your child's teachers. Maybe have something on the other side about your child specifically.