Does she currently have dictation, speech-to-text, or supplementary oral assessment on her accommodations list? If these have not been discussed in her team meeting, it might be valuable to have the IEP team consider their appropriateness.

I think your plan of using this year to document her need for advancement in social studies, while seeking informal or formal supplementary work in class, sounds very reasonable.

...pronounced like the long vowel and first letter of the alphabet...