It is a requirement for all international students to have Comprehensive Travel and Medical insurance as stated in the Enrolment Terms and Conditions:
The parents agree that it is a condition of enrolment that the Student has current and comprehensive travel and medical insurance. Where insurance is not arranged by the School, the Parents will provide the School with evidence of the relevant insurance policy. If appropriate evidence is not provided, the School may organize insurance it considers appropriate and pass on this cost to the Student or Parents.