Pre-college education separates a lot of things into grades and whatnot, a lot of the subjects can be (if one is interest in doing so) condensed or one can just

Pre-college education separates a lot of things into grades and whatnot, a lot of the subjects can be (if one is interest in doing so) condensed or one can just study all day for several weeks. I remember summer terms in college and they basically condensed a whole semester of 4 months into 2 weeks.