graham holdings company (nyse: ghc) is a diversified education and media company whose principal operations include educational services, television broadcasting, cable systems and online, print and local tv news. the company owns kaplan, a leading global provider of educational services; graham media group (wdiv–detroit, kprc–houston, wkmg–orlando, ksat–san antonio, wjxt–jacksonville); cable one, serving small-city subscribers in 19 midwestern, western and southern states; the slate group (slate, slate v, theroot); and foreign policy. the company also owns trove, a digital team focused on innovation and experimentation with emerging technologies; socialcode, a leading social marketing solutions company; celtic healthcare; forney corporation; joyce/dayton corp.; and residential healthcare group.