Join forces with your instructor, they are not an enemy, you share the same interests, the same goals - in short, you're teammates. Get to know your professor. You're the most valuable players on the same team. Your jobs are to work together for mutual success. Neither wishes to chalk up a losing season.
Successful students minimize classroom distractions that interfere with learning.
Students want the best seat available for their entertainment dollars, but willingly seek the worst seat for their educational dollars. Of course, we know they chose the back of the classroom because they seek invisibility or anonymity, both of which are antithetical to efficient and effective learning. Successful students take notes that are understandable and organized, and review them often. Ask the questions now that are necessary to make your notes meaningful at some later time. A short review of your notes while the material is still fresh on your mind helps your learn more.