Original sentence: In addition, all boys throughout the school are required to attend daily Division lessons on history, literature and politics that do not lead to external examinations.Those applying to College do not take the normal entrance examination but instead sit a separate, harder, exam called "Election": successful candidates may obtain, according to their performance, a scholarship, an exhibition or a Headmaster's nomination.Those wishing to enter a Commoner house make their arrangements with the relevant housemaster some time before sitting the exam.Winchester has its own entrance examination, and does not use Common Entrance
Edited sentence: In addition to normal lessons, all boys throughout the school are required to attend a class called Division, Div for short, which focuses on parts of history, literature and politics that do not lead to external examinations.Those applying to College do not take the normal entrance examination but instead sit a separate, harder, exam called "Election": successful candidates may obtain, according to their performance, a scholarship, an exhibition or a Headmaster's nomination to join a Commoner House.Those wishing to enter a Commoner house make their arrangements with the relevant housemaster some time before sitting the exam, usually sitting a test set by the housemaster and an intervoew.Winchester has its own entrance examination, and does not use Common Entrance, like other major Public Schools