Insight for Sunday 22 March 2015
Overseas students at Unitec in Auckland Photo RNZ /John Gerritsen
International student numbers are rising again and nearly 100,000 foreign students are expected to study in New Zealand this year.
With annual spending approaching $3 billion a year, the students are good news for the economy.
But some warn there is trouble ahead because enrolments are growing too fast.
Radio New Zealand's Education Correspondent, John Gerritsen, investigates what is driving the growth, the risks it poses, and the blurring lines between education and immigration.