[header] How to concentrate at university level classes [title] Avoid talking to strangers during lectures and tutorials. [step] While it might be nice meeting new people and discovering their interests, there are better times for doing this than during teaching sessions when you need to be concentrating. [title] Avoid talking to your friends. 
[step] They're your friends and they'll still be there after the lecture/class/tutorial. In fact, they might start getting on your nerves if they're around too much over-analyzing all the work in front of all of you.