A strong demand for International Schools has been observed in Asia and Middle East. According to Internation al School Consultancy ("ISC"), fewer than 1 million children were learning at English-medium K-12 international schools in 2000, which jumped up to 4.5 million in 2016. By 2021 student enrolment at international schools worldwide is expected to be 6.3 million. Details are available at: 

https://www.iscresearch.com/news/isc-news/isc-news-details/~post/demand-for-international-school-education-continues-to-expand-globally-20170427