You didn't mention grade level, but I assuming you mean the Edmund Burke School in DC:
http://www.burkeschool.org/podium/default.aspx?t=167609
(There's also a Burke School in Fairfax, VA:
http://www.fcps.edu/burkeschool/aboutourschool.htm)
Examples of accommodations they make are website of the Burke School in DC:
http://www.burkeschool.org/podium/default.aspx?t=167641
Does it sound like what she needs? If you don't already have a psycho-edcuational or neuropsych eval, you will probably need one, so you can better define what kind of support you need from a school.
The Lab School in DC does this kind of testing.