The Ministry of Education says there is no room on school buses for physical distancing when services resume under lockdown level 2.
It is blaming a shortage of drivers and buses for preventing it from putting on additional services to give students more room from each others.
It comes as InterCity decides to keep its buses off the road until the end of the month, saying it is not sustainable with just half of the seats full.
Hamish Cardwell has more.
