Harrow is one of the few all-board schools for boys in the UK. At Harrow, they believe that success should be measured by scores and by one's impact on the world. The desire and ability to learn, lead and serve enable life to be good and valuable. Over five years, Harrow's goal is to develop these characteristics in its students, focusing on five key areas. The Harrow Extracurricular program promotes research, reflection, and discussion through the habit of reading, extensive projects, more than 80 clubs and associations, lectures by subject matter experts almost every day. These intellectual endeavors build freedom and confidence in thinking and speaking and highlight Harrow students in the candidates sought by leading universities. In sports and the arts, some of the country's top coaches help boys invest in their talents and, in many cases, lead to professional careers. The school offers the best possible education, and here students are nurtured by exceptional teachers, who are the best in their chosen fields. Students ' personality formation is possible through sports, creative and performing arts, and many other activities.

It is interesting to note that the sport of squash was invented at Harrow, spread to other schools, and eventually became an international sport. Harrow also has a unique style of football called Harrow Football, which has played a role in shaping the football we know today. Harrow has also trained statesmen such as Churchill, writers such as Byron and Richard Curtis, and other Nobel laureates.