|Students going through border control check points before going to school|
In the 2010-11 school year there were 9,899 of them, and 24,990 2014-15.
Twenty-eight thousand is a staggering number of them, but also illustrates the demand for good education by mainland parents.
|Four-hour commutes to school are tiring for children|
|School buses shuttle students to and from border points|