In Avatar (2009), colonist Jake is surprised to learn that some of the native Na’vi speak English. He asks and is told that they learned English at Dr. Augustine’s School. This exchange mirrors one in The Last of the Mohicans (1992) in which Cora asks Hawkeye how he learned to speak English, and he replies:

My father sent Uncas & I to Reverend Wheelock’s school when I was ten.

(From the Michael Mann and Christopher Crowe script, not in Cooper’s original — although Susan F. Cooper discusses Wheelock in her introduction to later editions such as the 1876 edition.)

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[Update 12.02.2012: Broken link to Mohicans and script at IMDB fixed.]