Good search terms for this are things like “student”, “exam”, “test” and “rapid learning”, as if this comes up it tends to be in context of university students facing exams. Sometimes it’s for people who haven’t studies, and sometimes it’s for those who want help learning. 
https://forum.becomealivinggod.com/search?expanded=true&q=student%20exam%20help
This is a popular post about it that lists a few entities:
There is the different approach of the Ars Notoria as well, but that’s not so popular as you spend 3 months working on “the method” anyway… my guess is most just go ahead and study in that case. I linked some videos from Glitch Bottle interviewing Dr Stephen Skinner who wrote an updated book on the Ars Notoria “The Method” that’s interesting if only academically (or search in youtube and it should come right up).
Ah, also maybe try suggestions for people overcoming “procrastination” and wanting more commitment. I want to say Andrealphus but I forget now.