Catholic Education Office Sandhurst on Monday confirmed the Quarry Hill school cluster had grown to 14 people - 11 students and three staff members.

The first case was confirmed at the school on July 29, when a staff member tested positive to the virus. The school was closed for a deep cleaning.

Another two staff members tested positive to COVID-19 on August 2 and 3.

The Quarry Hill school then confirmed two students had tested positive to coronavirus on August 3.

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Another six students were confirmed as positive cases on Thursday. One more student tested positive to coronavirus on Friday.

Families were told on Wednesday that they must get tested for coronavirus as the situation at the school had progressed to an "outbreak".

Bendigo Health was assigned to contact tracing at the school late on August 3, five days after the first confirmed coronavirus case at the school.

Meanwhile, Catholic Education Office Sandhurst on Monday confirmed one student at Holy Rosary Primary School in White Hills tested positive to COVID-19.

There were still only two confirmed cases at Catherine McAuley College in Bendigo.

Weeroona College Bendigo reopened on Monday, after a COVID-19 case was reported at the school last week.

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