The government says a staff member at Le Rocquier School has tested positive for coronavirus.
As this person has not been in the school this week - and therefore has had no close contact with any children, staff, or parents - the school remains open.
The government says parents have been informed.
"The school continues to follow the very latest advice from the Health Department and the safety of pupils, families and staff remains paramount."
It follows a case of coronavirus that was identified at St Saviour's School last week, which led to the class bubble being sent home and told to isolate.
That was just days after a class from St Michael's private school was also closed because a child tested positive for Covid-19.
Commonwealth Games: Nowacki into 100m breaststroke final
Channel Islands face 'physical' Poland test
Thousands expected at Havre Des Pas Festival this weekend
Price of heating oil and other fuel increase by more than half in a year
Man jailed for importing nearly £600k worth of cannabis in bumpers of his car
Baby born on Guernsey's Marine Ambulance
Drug trafficker who claimed he was the ‘Accredited Dealer' jailed
Jersey men involved in cocaine importation sentenced
