is implementing a plan undertaken pursuant to a final order issued by a court of the United States, or a court of any State, or any other State agency or official of competent jurisdiction, that requires the desegregation of minority-group-segregated children or faculty in the elementary schools and secondary schools of such agency; or

without having been required to do so, has adopted and is implementing, or will, if a grant is awarded to such local educational agency, or consortium of such agencies, under this part, adopt and implement a plan that has been approved by the Secretary as adequate under title VI of the Civil Rights Act of 1964 [42 U.S.C. 2000d et seq.] for the desegregation of minority-group-segregated children or faculty in such schools.