Metal blind stopped bullet from hitting Sydney classroom with force

A metal blind stopped a bullet from hitting a primary school classroom with force after it was fired into a school in Sydney's south-west yesterday.

Year one and two students were inside the classroom when the bullet smashed through the glass at Macquarie Fields Public School just after 12.45pm on Tuesday.

Initial ballistics examinations from NSW Police suggest it was fired from a small calibre gun from "some distance away".

READ MORE: Shock inflation rise as petrol costs soar

NSW Police confirmed no one was injured and it was not a targeted attack on the school.

Parents told 9News they were frustrated by a school letter sent out as it didn't say a bullet had been shot into the classroom.

"A small projectile that came off school grounds broke a window," the letter said.

"I am absolutely mortified, I can't comprehend that it has happened at all," one mother told 9News.

READ MORE: Millions of Aussies to suffer $1700 wallet shock within hours

"I am petrified for my daughter to go to school now... I kind of feel like America is coming to Sydney."

NSW education minister Prue Car said she would "make inquiries into what happened" in this particular case.

The NSW Police ballistics team is examining the bullet to determine where it was shot from and who may have shot it.

Yesterday Detective Superintendent Grant Healey labelled it a "totally reckless act".

READ MORE: 'Astonishing' find discovered in Titanic wreck

"For the little kids at the time, they just heard a smashed window," Healey said.

"Early investigations revealed the projectile might have come from some distance away," Healey said.

"The bullet has come into the classroom but it has been stopped by the blind so it hasn't come into the classroom with enough speed or velocity, it is just enough to smash the window."

Investigations are continuing.

Sign up here to receive our daily newsletters and breaking news alerts, sent straight to your inbox.