Programme, students must choose 3 Higher Level subjects and 3 Standard Level subjects, where subjects in the student's first language, additional language, the humanities, the sciences, and mathematics are required. Students also need to complete the Extended Essay, CAS, and the Theory of Knowledge course. Students in the Career-related Programme can choose to substitute some of their IBDP subjects with more applied BTEC subjects, but must still complete the CP core. Higher education In 2019, 40% of South Island School students matriculated to the United Kingdom, 19% to Hong Kong, 13% to the United States, 9% to Canada, 6% to either Australia or New Zealand, and the remainder matriculated to countries such as Korea and Japan. In Hong Kong, 17 students chose to study at the University of Hong Kong, five at HKUST and six at the Chinese University of Hong Kong, while in the UK, 6 students matriculated to Imperial College and UCL. In addition, the most popular universities in Canada were the University of British Columbia and the University of Toronto with five students each. South Island School graduates usually apply to a range of courses. Fields such as Economics, and Business and Management have been consistently popular among South Island School graduates. Ten students each have matriculated to the traditionally popular Law and Psychology courses. The social sciences remain popular: a particular favourite is Psychology, with 11 students choosing this as their major. 20 students pursued creative degrees such as Design, Film and Performing Arts as well. Examinations In 2012, 3 students scored the maximum 45 points on the IB Diploma (out of 109 worldwide), and another 5 students scored 44 points. 32% of the graduating body scored 40 points or more. The mean score was 36.3 out of 45, in comparison to the world average of 30.1. In 2018, 2 students scored the maximum 45 points on the IB Diploma, while three others scored 44, and a further six scored 43. In 2018, 98% of students achieved the full IB Diploma, compared to 78.4% worldwide. That year, the mean score for all IB Diploma students was 35.0 in comparison to the world average of 30.0. Student backgrounds Students come from diverse backgrounds, with 38 nationalities represented as of 2019. In 2019, the most represented nationality was the United Kingdom. As of that year, 50% of the students were ethnic Chinese, 14% were Caucasian, 8% were Eurasian,