; (C) the increased cost burden of service delivery in rural areas; and (D) any special initiatives being undertaken by State, intermediate, local educational agencies, or Bureau-funded schools, as appropriate, that may require special assistance from the center. (2) Responsiveness In allocating resources in accordance with paragraph (1), each regional comprehensive center shall reserve not more than 15 percent of funds awarded by the Secretary for a fiscal year to respond in a timely fashion to urgent needs of State educational agencies and local educational agencies served by such center for such fiscal year, which may also include modifying the activities of the center and the State service plan described in subsection (c)(2)(B). (e) Scope of work Each comprehensive center established under this section shall work with State educational agencies, local educational agencies, educational service agencies, and schools, including Bureau-funded schools, in the region where such center is located, on school improvement activities that take into account factors such as the proportion and number of students from low-income backgrounds counted under section 1113(a)(5) of Elementary and Secondary Education Act of 1965 in the region, and give priority to— (1) schools in the region with a high percentage or number of students from low-income backgrounds, as determined under section 1113(a)(5) of the Elementary and Secondary Education Act of 1965, including such schools in rural and urban areas, and schools receiving assistance under title I of that Act; (2) local educational agencies in the region in which a high percentage or number of school-age children are from low-income families, as determined under section 1124(c)(1)(A) of the Elementary and Secondary Education Act of 1965, including such local educational agencies in rural and urban areas