And to follow-up on blackcat: sometimes it helps to use the terminology that the school may recognize, such as "specific learning disability in written expression", or "physically impaired/fine motor", or get a DSM diagnosis and use "other health impaired".

Many schools instruct their staff not to make Dxs. That doesn't mean they can't either accept other professionals' Dxs, or make disability determinations based on the IDEIA classifications.

...pronounced like the long vowel and first letter of the alphabet...