The college where the teen tragically killed in a quad bike accident attended is rallying together over what the principal has described as a "challenging 24 hours".

Jossie Wetini, 15, died when the quad bike she was on crashed on Sunday night.

The 14-year-old she was riding with, who is understood to be a relative, was flown to Waikato Hospital and this morning remained in a stable condition at Waikato Hospital.

Otorohanga College principal Lindsay Dunn said the school's crisis response team was offering support to the school community.

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"Our thoughts and support go out to her family and friends at this difficult time."

Prior to attending Otorohanga College, Wetini had been at Rosehill College in Papakura until the end of term 2, 2015.

Rosehill College principal Sue Blakely said the school was also thinking of her family at this time.

Meanwhile preparations are underway to farewell a much loved teenager who was killed in a quad biking accident.

The accident happened on a private clay road in Taharoa, south of Kawhia. Both girls lived in the town.

Wetini's sister Star posted on Facebook that her heart was breaking over the loss of her sister.

"Words can't express how I'm feeling right now I've never felt so much pain before I just want to wake up from this nightmare. My baby sister, my darling you will truly be missed. I wish I could bring you back," she wrote.

Wetini's father Kingi Whitiora posted: "Fly high darling Dad will miss you so much!"

Friends were also reaching out to the family, offering their support and promising to attend the tangi.

A relative told the Herald the family had been waiting for Wetini's body to be released from Waikato Hospital before taking her from the funeral home back to Te Koraha Marae, which is not far from where she died.

A blessing was performed on the crash site on Monday morning.

Members of the Taharoa community told the Herald the victim was a much-loved teen.

Otorohanga mayor Max Baxter spoke to Otorohanga College principal Lindsay Dunn on Monday morning and said the school was "going through the processes" and offering support to students and their families.

The Herald understands both girls boarded at the school's hostel, which mainly houses students from Taharoa, Kawhia, Marokopa and outlying coastal areas.

Baxter said the community had been hit by enough grief in the last few weeks.

Mona Tuwhangai, 82, and Maurice O'Donnell, 72, were found dead in their Kinohaku holiday home after being killed by Otorohanga fugitive Ross Bremner earlier this month.

"Taharoa is probably one of the more insulated communities around once you get out the West Coast," Baxter said.

"It's another chapter of disbelief in our community and hoping it comes to an end. And once again I'm sure everybody is feeling for those close to the victim and certainly the girl who is injured and sharing their best wishes with them all."

Meanwhile the circumstances of the crash are yet to be established and it appears neither the police serious crash unit or Worksafe will have any involvement.

It is likely to be dealt with as a sudden death as the incident happened on private land and not on a public road.

Grant Huggins, manager of NZ Steel, which has the lease to all of the land in the town for their ironsands mining operation, said they had been trying to educate people on the importance of wearing helmets while riding motorbikes and quad bikes, even holding competitions for the town's younger residents.

A local resident found the two injured girls and raised the alarm.

Huggins said some of his crew, along with many locals, raced to the scene to help out, providing lighting assistance as well as use of their helicopter pad for the Taupo Greenlea Rescue Helicopter to pick up the survivor.

The company eventually planned to fence off the mine access road in a bid to force locals to use the road, which it hoped together with educating them around road safety would make the area safer for everyone.

Given most, if not all of the community, worked at the ironsands mine everyone knew everyone, but Huggins said they had enough staff to get by in tragedies such as last night's.