I don't think colleges put anywhere near enough time and resources into, as you say, "how to get a job on your chosen field." Professors don't have the background to really help job-seeking students who don't want to be professors. Just telling students the basics of networking could be of great value to many of them. Summer internships are a huge deal now for students who want to go into business. Work visa issues can be a big deal for many international students. I'm an econ professor at Smith College.
I'm thinking more at the high school level, but I think you are correct.
Some quick background, I am putting together a non-profit whose goal is to provide objective, rational career guidance to high school/college students, with the aim to solve what I see as a pretty big problem in the American educational system: our current career guidance is more focused on how to get a job on your chosen field, rather than what field should you choose in the first place?
Mid-ranged goals involve setting up programs where students can "shadow" people who work in a field they are interested in so that they can see what those types of jobs actually entail. Short-term, the goal is to put together some informational resources that students can use to help guide their decision a little more rationally.
One of these information resources is a database that uses data pulled from the Bureau of Labor and Statistics, to tell you