SCHOOLS across Australia are again urged to warn their students about a schoolgirl porn-ring website which has emerged back online.

The website has added more high school names and the names of female students to its target list.

The schools are in NSW, Victoria, Queensland, Tasmania and South Australia.

Users are being urged to  go on the "hunt" for nude images.

More than 70 schools were being targeted, and since the site has been back online another 19 have been added to the list, news.com.au reported.

"Let's get some nudes of private schools out there, I know there are a lot."

"I'm hoping for nudes of [specific student's name], but anyone else is also good,'' are among the types of comments being posted.

The following schools are now being targeted.

NSW

Barker College

Glendale Technology High School

Grafton High School

Loreto Kirribilli

Newtown High School Performing Arts

Our Lady of Sacred Heart Kensington

Pymble Ladies College

St Vincent's Potts Point

Wagga Wagga Christian College

QUEENSLAND

Lourdes Hill College

Mount Alvernia

Our Lady's College Annerley

St Pauls School

St Michaels College Ashgrove

St Ritas College

VICTORIA

Mount Lilydale Mercy College

Overnewton Anglican Community College

SOUTH AUSTRALIA

Norwood Morialta High School

TASMANIA

St Brendan Shaw College

The site was temporarily pulled down after authorities confirmed it contained child-pornography.

Sydney University and the University of Queensland have been added to to the list.

"Post your nudes of hazings, initiations, and girls getting wild at dormitories in University of QLD", reads one post

If you have further information or would like to report concerns contact Crimestoppers on 1800 333 000 or the Child Protection Helpline on 132 111.

If you or someone you know has been impacted by sexual assault or exploitation support is available at 1800 RESPECT and Kids Helpline 1800 55 1800

Quotes from the website have been altered to prevent reverse searching.