CarMax Inc. announced that its board of directors has elected John T. Standley to membership on the board, bringing total board membership to 12. Standley will serve on the Audit Committee.Standley is the chairman and chief executive officer of Rite Aid Corp. He has served as CEO since 2010 and chairman of the board since 2012. Standley was president of Rite Aid from 2008 until 2013 and its chief operating officer from 2008 until 2010. He previously served as CEO and as a director of Pathmark Stores from 2005 to 2007.