I think you should be a little careful here- what if the school comes back and they say, in their professional opinion, that your child has manic-depression/bipolar disorder? It could be your child is simply high-spirited and bright but the school tries to put them into a category that is wrong and not in your best interest. You also don't know how good the school's "professional" is.
This would be my main concern -- you have a small boy who likes to karate chop stuff.....and they want him to be evaluated.
This is a bit concerning, but if they give clear reasons for the eval, such as others have suggested, maybe it would be reasonable:
'we want to make sure he'll be an ok fit for skipping'
what specific eval tools they'll use (what screening instruments), etc. should be determined ahead of time. How long has this evaluator been doing this sort of work? How long within the school system? You should ask to speak with them first if at all possible.
