In formulating a remedy for a denial of equal educational opportunity or a denial of the equal protection of the laws, which may involve directly or indirectly the transportation of students, a court, department, or agency of the United States shall consider and make specific findings on the efficacy in correcting such denial of the following remedies and shall require implementation of the first of the remedies set out below, or of the first combination thereof which would remedy such denial:
(a)
assigning students to the schools closest to their places of residence which provide the appropriate grade level and type of education for such students, taking into account school capacities and natural physical barriers;
(b)
assigning students to the schools closest to their places of residence which provide the appropriate grade level and type of education for such students, taking into account only school capacities;
(c)
permitting students to transfer from a school in which a majority of the students are of their race, color, or national origin to a school in which a minority of the students are of their race, color, or national origin;
(d)
the creation or revision of attendance zones or grade structures without requiring transportation beyond that described in section 1714 of this title;