I'm not sure what to do about the visual distractions, but for the classroom noise/etc I'd give earplugs a try. Regular earplugs should work and still allow your dd to hear the teacher - if they don't do the trick, you could try a pair of noise cancellation headphones. My 2e ds has a pair of these which he wears while doing homework when the background noise is bothering him.
The open classroom / lack of structure just didn't work for my kids. To be honest, when we were in early elementary in a school with a very laid-back type of structure similar to what you are describing (but with 1/3 the # of students in the room)... I'm not sure it was really working for *any* of the kids.
Why do you have to wait until September for the IEP? Is the school year almost over? Has your dd been through an IEP eligibility eval and testing?
polarbear
