You can expect the steady stream of speculation over Apple’s “education announcement” on Thursday at the Guggenheim Museum in New York to continue unabated. The WSJ cites a person “familiar with the matter” who says that McGraw-Hill “has been working with Apple on its announcement since June.” The paper notes that Cengage Learning, which has worked with Apple in the past, will attend Thursday’s event, though we imagine most educational and textbook publishers will as well. Ironically, the Journal doesn’t seem to recall that McGraw-Hill was supposed to be one of the marquee launch partners when the iPad debuted in early 2010, […]