According to the ABC, Sbaraini "had previously not followed bail orders."
"The woman was previously held under the Mental Health Act, but had escaped the institution," the site reports.
"Police prosecutors allege she is unmedicated and considered a significant risk to the public."
According to NSW Police, 28-year-old Vockler and the 31-year-old woman were speaking on the school premises before she allegedly approached him with a pair of scissors.
"The man was treated at the scene before being taken to Byron Central Hospital for further treatment," a police statement read.
The loved teacher was then transferred to Tweed Hospital in a stable condition to undergo surgery.