funds in accordance with 633(c)(11)(B)(ii), to pay some or all of the costs of attendance at a private school— (I) funds allocated to the State under section 611 may be used by the State to supplement such public or private funds, if the Federal funds are distributed to parents who make a genuine independent choice as to the appropriate school for their child, except that in no case shall the amount of Federal funds provided under this subclause to a parent of a child with a disability for a year exceed the total amount of tuition, fees, and transportation costs for the child for the year