Approximately 702 students will be moved from Liverpool West Public School to Gulyangarri Public School for at least a month while cleanup is underway.
The asbestos has been found in garden mulch, prompting the NSW Environmental Protection Authority (EPA) to ban the mulch supplier from making any further sales.
Three more samples from the parklands returned a positive result for asbestos on Thursday, totalling five locations housing the hazardous material in the greenspace.
Health officials fear Australians may have been exposed to dangerous levels of asbestos in the wake of the nation's recent COVID-19, flood and fire crises, which could lead to an increased risk of mesothelioma.
Tests have confirmed the presence of asbestos fibres at the Sydney Opera House, prompting the union to instruct electricians to immediately stop working on the $200 million renovation of the icon.