The best thing is to free yourself from having distractions. A quiet place can do the trick. Then, take a deep breath and do what you need to do. Perhaps you can also plot your timetable in doing a sequential task. I am sure it will make you more organized and can finish your tasks on time without any disturbances.
When concentrating you are either thinking to come up with a solution to a problem or reflecting on a course of action. At such point the brain needs absolute quietness so your environment is important, if it noisy you can move away to allow for the brain to work properly.
There are a few things to consider when consentrating. The most important of which is the individual's age. consentratingers should be familiar with the different types of coerced consent, be sure to understand what is being asked of the person, and be sure to have a clear understanding of the individual's feelings and goals.