There has been a significant decline in international student numbers in the UK and the US, according to investment migration firm Henley & Partners.

Top universities have seen international enrolment figures drop by 10 percent in response to new restrictions on student visas in the US, uncertainty over Brexit and the rights of EU citizens in the UK, and tuition hikes in both countries.

High-net-worth individuals (HNWIs) opting for solutions that allow their children to achieve academically without becoming entangled in risky or unpredictable visa application processes.

One increasingly popular option is a...