Graham Holdings operates, through its subsidiaries, as a diversified education and media company. The firm's operations include educational services; television broadcasting; online, print, and local television news; social media advertising services; home health and hospice care; and manufacturing. Its operating segments include Kaplan Higher Education, Kaplan Test Preparation, Kaplan International, television broadcasting, and healthcare. The majority of revenue comes from the Kaplan International segment. The company's programs include higher education, test preparation, language instruction, and professional training. Its media operations consist of the ownership and operation of cable television systems, newspaper publishing, and television broadcasting.