(I) establish, in coordination with representatives from local educational agencies, a definition of a high need child with a disability that, at a minimum--
(aa) addresses the financial impact a high need child with a disability has on the budget of the child's local educational agency; and
(bb) ensures that the cost of the high need child with a disability is greater than 3 times the average per pupil expenditure (as defined in section 9101 of the Elementary and Secondary Education Act of 1965) in that State;
