Students could face a wait for their end-of-year grades as staff from the Auckland University of Technology go on strike this week.
The strike action comes after a collective agreement covering 600 members expired and renegotiations for a new two-year agreement failed.
Union members on strike make up about 70 per cent of AUT's academic staff and are refusing to upload students' grades onto the university's online database Arion.
"We've been in bargaining with AUT for a few months and we have been dealing with things, everything's been going reasonably well," Tertiary Education Union (TEU) organiser Irena Brorens said.