I am not really an expert on all this, but having an LD herself and having undergone a similar, but probably a less thorough evaluation, let me try to answer such questions.
It's overkill only if you sense your daughter doesn't have a significant LD. Basically, an evaluation should reveal what your daughter (and likely you as well) already know about her cognitive functions. It's just that it puts "a microscope" on individual weaknesses and so the numbers may see lower than what you'd expect, although she is compensating with her high intelligence and it's not as bad in real life. Another downside might be if she does have an LD and if the school sees the evaluation, they might not admit her into a gifted program, advanced classes, etc. but it all depends on the school and many schools are understanding towards LDs and will willingly admit high IQ kids into advanced classes. Of course, the upside of verifying an LD is that she will be eligible for accommodations: extended time on tests and perhaps copies of class notes/note taker.
Last edited by asiral; 02/18/10 07:25 AM.