Concentration, or the ability to focus effectively on the task at hand while ignoring distractions, is vital for success in all areas of life – whether on the sports field or in the classroom. Unfortunately, as focusing techniques are not normally taught in school, many students lack insight into the strengths and limitations of their concentration systems. Against this background, the purpose of the present article is to explore what we know about concentration from recent research on ‘cognitive psychology’ or the scientific study of mental processes such as thinking, paying attention and remembering. In particular, this article will address three main questions. Firstly, what exactly is ‘concentration’? Secondly, how does our concentration system work? Finally, what practical techniques can help students to concentrate more effectively when studying?