No. 78-1078. August 6, 1979. J. U. Blacksher, Mobile, Ala., Jack Greenberg, Bill Lann Lee, New York City, Solomon S. Seay, Jr., Montgomery, Ala., for Edwin Foster and James E. Buskey. Sintz, Pike, Campbell Duke, Daniel A. Pike, Mobile, Ala., for Board of School Com'rs of Mobile County. Appeal from the United States District Court for the Southern District of Alabama. Before AINSWORTH, GODBOLD and HILL, Circuit Judges. JAMES C. HILL, Circuit Judge: Plaintiffs-intervenors are black assistant principals