Auckland's Marist College now has 11 confirmed cases of coronavirus.
The decile 7 Catholic girls' school with 759 students in Mt Albert has been closed all week after a teacher tested positive for the virus at the weekend.
Stephen Dallow, Marist Girls College Board of Trustees chairman, confirmed in a statement today seven of the cases were teachers, including the school's principal, Raechelle Taulu. The others were students.
"We believe we will have more cases tomorrow and ask our school community to stand together and follow the Ministry of Health instructions to isolate," Dallow said.
"We wish principal Raechelle Taulu a speedy recovery.