The government's decision to keep the oldest secondary students home from school when Alert Level 3 begins has some secondary principals worrying about their most vulnerable students.
They warn that teens enrolled in practical subjects and those who don't have internet access are most at risk.
They are already considering weekend catch-up classes and one principal says some Year 13 students will have to return next year to complete their studies.
Here's RNZ education correspondent, John Gerritsen.
