It extends into graduate school… many Master’s programs peddle worthless degrees, because that’s where the revenue is.
I went back at age 60 and got a tech certificate from my local community college (about like an Associate’s Degree), and I thought the money was very well spent. I learned how to map using a drone, which was awesome (it was Geographical Information Systems). And my employer reimbursed me, so it was free-to-me, and I use the skills on the job.