Absolutely there are kids who need accommodations and can't function without them. That said, especially for kids with more moderate fine motor delays (kids who can hold a pencil and make marks, who can write some but who tire easily, who can sit in a chair, etc.) I would really encourage parents to keep as many options open by also pursuing other treatments including OT, PT, core strengthening, etc.
I would also encourage parents of younger kids who have not already done so to research exactly what is required before you panic and conclude your kids won't be able to take standardized tests. The ACT requires bubbling 215 answers over about a three hour period and it includes breaks. The essay is optional (a few colleges require it, but most don't).
Lori - you have described your son as being able to write in class essays by hand and to type online for hours with friends. Most kids who are capable of those thing would certainly have enough muscle tone to be able to bubble in 215 bubbles over a three hour period. ACT prep books including sample tests are readily available free from the public library. He could take a sample test on a day when he's feeling well and you could see how he does before you refuse to let him take the test.
Again, I understand the process of seeking accommodations can be expensive and especially difficult for homeschoolers. Some families will have absolutely no choice but to do so. But, I think it does kids a good service to help them have as many options as possible. (and I say that as a parent of a child who had a severe diagnosed fine motor delay and dysgraphia and who ended up being able to take standardized tests without accommodations thanks to OT and work.)
