This course is not the first CS course that most Stanford students (who take a CS course) take-- that's CS106A, which is based on Java. This CS101 class is a small, recent addition aimed at people in non-technical majors. I believe there's only one class of ~30 people, taught by Nick Parlante.
The full CS course listings are here:
http://explorecourses.stanford.edu/CourseSearch/search;jsess...