the course is very, very good. it is based upon the book how to design programs. as a small correction though, it really doesn't teach racket in terms of #lang

the course is very, very good. it is based upon the book how to design programs. as a small correction though, it really doesn't teach racket in terms of #lang racket. it uses a succession of teaching languages that are implemented as #lang languages in racket. however, you do pickup pieces of racket (basically racket used as just a scheme), some of the libraries/frameworks like 2htdp, and DrRacket, the ide.