A student at Epsom Girls Grammar School in Auckland has tested positive for Covid-19.
In a note sent to Year 9 and 10 parents, principal Lorraine Pound said the school has not closed and "families needing particular information have been contacted".
"If you are feeling unsure and wish to keep your student at home on Friday 19 November, please do so," Pound wrote.
Pound told the Herald the Epsom Girls Grammar is currently working with the Ministry of Education and public health.
Pound said families needing certain information have been contacted.