Luckily, there's a useful (and fun!) thing you can do outside of studying that can end up improving your overall RC skill: ...reading. Who knew?
I don't mean reading stuff like the news, Reddit, YouTube comments, the latest dystopian YA fiction, or law school admissions forums. I mean fascinating, high-quality, non-fiction articles that challenge you as a reader. You've probably heard of the same old boring recommendations like The Economist. So here's a list of things to read that you probably haven't heard of.
Read one article a day from each of these sources, and you're bound to become a better reader.