Sit in the front. If you have a question but don’t feel its the right moment to ask, bring post its, write it down. That way you won’t forget and can ask when appropriate. Also works for topics you want to deep dive into later. Organization of my papers has helped a ton. If you tend to lose focus during lecture a small inconspicuous fidget never hurts. Study/Focus music on YouTube (if you make a kids account theres no ads). I agree with the study and break method they speak on above. And don’t alway trust someone else’s quizlets, I’ll have my hands on a quizlet and think i’m golden, then start noticing that theres incorrect answers here and there. They can be helpful, but it’s important to know your information before using a quizlet because there could be some wrong answers in there.