The main curriculum at Labuan International School is the British Curriculum. At Year 10, students embark on the IGCSE course, culminating in the Cambridge International Examinations, which is based in the United Kingdom. the School is also regularly offering Cambridge Checkpoint Examination to Lower Secondary Students in every academic years.
* The medium of instruction is English for all subjects except Malay as Foreign Language and Mandarin.
- Cambridge International Curriculum
- CIE, Cambridge International Examinations
- Cambridge IGCSE
- Cambridge Checkpoint Examination for Lower Secondary