Scheme wasn't shelved because it was a "fringe" language. In fact, Prof. Hilfinger the one who brought it to Berkeley in 1980, and that class 61A is the first course all CS majors take. Brian Harvey taught the class for ever, and published his own textbook "Simply Scheme."

MIT is doing something similar, with the support of the authors.

The same material is being taught, just in a different language.