OK, I'm going to see if I can answer all the questions.
First, the private tester was a grad student at at university. They did the WISC-IV, WJ-III, behavior checklist, Aspergers checklist and one attention test (CPT-2) which showed a 93% chance of an attention problem but cannot say what the cause of it is (whether ADHD or just gifted behaviors). They suggested following up with more testing in a couple of years to evaluate for ADHD.
DS has great cursive handwriting, which they teach at Montessori. His printing can get sloppy if he is rushing but overall I would say his handwriting is fine. He gets 100% on his third grade spelling tests (the only "tests" they take other than Scholastic comprehension tests on the computer).
He is always drawing and writing stuff so I don't see a problem there (other than doodling on his stuff sometimes). It seems to come naturally to him. He didn't like having to do his comprehension questions though (which were only HW because he didn't finish at school). He did have a hard time learning how to hold the pencil correctly in pre-k, K but he seems to have figured that out now.
He is at least a couple grades ahead in math and loves it but only on his terms! He doesn't like doing math worksheets, although I have to keep on him not to get distracted so he finishes them. One thing I tried this week was letting him check his answers to his 4 digit subtraction problems HW (his is learning how to carry) on my calculator. Boy, did he light up after that! So maybe we need to get more creative?
He did have surgery for strabismus and wears glasses with bifocals now. His eye dr gave him the 100% cured stamp of approval so I think he eyes are working fine now. He did tilt his head for a long time to compensate for the double vision but I don't think there is any residual issue (he had the surgery right before he turned 6).
I will ask the teacher next week if there are specific "works" that seem to cause him more issues or that he avoids (I have a feeling she will say all of them!). I generally don't see most of what he does at school. He only has spelling and math HW to do. We may need to do a daily check-in with the teacher (this worked with my DD4 who was not behaving in pre-k *sigh* LOL) The only thing he has expressed interest in is getting more pieces for his Snap Circuits set. Maybe this combined with altering the approach on some of his school work will help. But you are right knute, I don't really have enough info - only educated guesses.
Thanks all!