AP English at CAK was a great class (and the teacher was pretty good too, from what I hear), but the subject matter wasn't that great. I mean, I would much rather read LeGuin's The Left Hand of Darkness or Asimov's The Complete Robot than Joyce's tragically uninteresting Portrait Of the Artist As a Young Man.
I would certainly contend that all of the books we read in AP English were worth reading, but not all were necessarily ENJOYABLE. But yeah, as far as high school English classes go, I can't imagine anything topping it.
But, frankly, I think a college-level literature class is inherently superior to a high-school one...