Hello. I hope I'm not too late on this since I just finished my last exam of the year, so I probably am. I'll list 10 types to help concentrate on studying. I'll post the link where I got it from at the bottom.
-Set a routine and stick to it
-Find a good place to study like a quiet place
-Turn off ALL electronics, or get an app that can block certain websites during study periods if a computer is needed
-Establish priorities
-Don't type up notes, handwrite them because you remember more and are more engaged
-Use website blockers, software blockers, and time trackers
-Say "no" to activities that mess up your schedule (like don't go to a party when you should be studying)
-Set reminders to study
-Schedule distractions after a hour of studying (like 10 mins) or a 5 min break every 25 minutes
-Reflect on how much you have accomplished for your studying, and make adjustments if needed

All the above tips were found here: 10 Ways To Tune Out Distractions & Focus on Your Studies

Good luck :-).