well as an annual cross-country event. Co-curricular activities The school offers numerous clubs and societies to students. These include: Chess club Creator's club Debating and public speaking Concert band Environmental society Jazz ensemble Mooting and mock trial Robotics and programming club Social justice society Stage bands (first and second) String ensemble Choir The school participates in the Duke of Edinburgh's Award Scheme, as well as running its own secondary school army cadet unit, 226 Army Cadet Unit. In conjunction with Hornsby Girls High School, a (supposedly annual) musical production is put on, for which boys can audition and participate in. An annual art exhibition is also run by the school. Normanhurst runs school camps for grades 7–11, notably a camp for Year 7 students to Jenolan Caves and the Central West of New South Wales. The week-long excursion has been running in various forms since 1959. On the camp, boys are accompanied by mentors from senior years. The school also offers overseas cultural trips to London, Paris, Rome and New York. Normanhurst is also home to a FIRST Robotics Competition team, Team 4739: Ctrl F5, formerly Thunderbolts Robotics, founded in 2010 with their rookie year in 2013, they gained many years experience and was part of the initial 5 Australian teams founded by Team 3132: Thunder Down Under, and the oldest public school team still competing. They have also entered in the FIRST Tech Challenge, gaining first and also won the Duel Down Under in 2019, run by Team 3132. Motto The school's motto, Know Thyself, is a Delphic maxim which is attributed to Ancient Greece. The phrase has been expounded by Aeschylus, Socrates and Plato, among others. It is given as nosce te ipsum or temet nosce in Latin. Principals The following individuals have served as principals (formerly headmasters) of the school: Notable alumni Alumni of Normanhurst Boys' High School are commonly referred to as Old Boys. Some notable Normanhurst Old Boys include: Business David HillChairman and CEO of Fox Sports, creator of the Sky Sports channel, former chairman of Fox Broadcasting Media, entertainment, and the arts Rowan Cahill historian and journalist Vince Melouney guitarist, vocalist and songwriter, former member of the Bee Gees. Medicine and science Michael Barber mathematician, physicist, academic Jordan Nguyenbiomedical engineer and inventor Ian Plimergeologist and academic John Shinebiochemist and molecular biologist Politics, public service, and the law Peter Andren former Independent Member for Calare