When I spoke with the head of the school district speech and language department, he gave me the impression that there wasn't very much the school could really do to help her with this disability. I figured it all out this year when I realized that the school had just been passing her along every year without substantial academic progress. This helps to explain why she's having trouble getting the main idea. Otherwise, the times tables are just another jumble of numbers. One has to do with training your daughter to process information more effectively.
Teachers have to be aware that talking into surfaces that reflect sound can add to the confusion.
An audiologist can help you determine whether this would be helpful and can help the school set it up. If your school says they can't do much to help your daughter, they need to be better educated about this condition, which can make learning an absolutely miserable experience for many kids. The past seven years of school have been a constant fight with them. He has difficulty expressing himself, whether it's his feelings or a description of something.