Students returned to classes at Arapahoe High School on Tuesday.
HIGHLANDS RANCH, Colo. - UPDATE: Claire Davis, the 17-year-old student shot Friday afternoon at Arapahoe High School is in a coma but is in stable condition, Littleton Adventist Hospital reported Sunday evening.
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The father of the 17-year-old girl shot Friday afternoon at Arapahoe High School told 7NEWS that she is still fighting for her life but is "not doing very well."
He told 7NEWS reporter Molly Hendrickson that he's grateful for the support of everyone in the community, and asked for the community to pray for her.
Claire Davis remains in critical condition at Littleton Adventist Hospital.
"Our beautiful daughter Claire Davis has severe head trauma as a result of a gunshot. She needs your continued prayers," the family said in a statement released during a 3:15 p.m. news conference on Saturday.
"We would like to thank our family, friends, the community and the equestrian community for their outpouring of love and support, as well as the school for their continued support of the students and teachers. We would also like to express our gratitude to the first-responders and the trauma team at Littleton Adventist Hospital for saving our daughter's life and quickly getting her into surgery. Claire is still in critical condition and your prayers are appreciated. At this time we ask that you respect our wishes for privacy, for us and the hospital. Thank you for your continued support, love and prayers -- the Davis family."
Sheriff Grayson Robinson said Claire "is a young woman of principal. She is a young woman of purpose. She is an innocent young lady. She was an innocent victim of an evil act of violence."
Robinson said that "she was simply in the wrong place at the time" and that there is no indication that the gunman knew her or was even acquainted with her. He said she was shot at point-blank range.
A close friend told 7NEWS that Claire is being watched closely by doctors, whose main concern is the swelling around her brain.
Friends say Claire is sweet, spunky and bright. She is well-liked and is nice to everyone, classmates say. Her Facebook page shows her love of horses and surrounded by many friends.
"I don't know why bad things happen to good people, I wish I knew the answer to that," said one friend.
The hashtag Claire's friends have been using on Twitter to rally for support is #PrayforClaire. Hundreds of people gathered for a candlelight vigil for her at Arapahoe Park on Saturday evening.
"Bring a candle and your Warrior pride," one Tweet said, promoting the vigil.
Classmates are still trying to cope with what happened on Friday and struggling to understand what happened.
"You can't really be doing well in a situation like this.You can just just try to take it one hour at a time, but with hopes and prayers for Claire," said neighbor Matt Denero, who has known Claire since she was a toddler.
Student Chris Davis is collecting money for Claire and her family.
"So far we've gotten a really positive response from everybody at our school. We got a couple hundred dollars already," Davis said.
He said helping her is helping him too.
"We're just trying to help her out, we know what they're going through. Yesterday wasn't fun for us, today isn't fun for us. Just trying to help them get through it as much as we can, and it's helping us get through it too," Davis said.
Flowers for Claire have been showing up outside the school. A sign posted by the school parking lot asked for people to reach out to Claire's family, to offer them whatever support they need.
"Warriors always take care of each other," the sign said.
Students say it will be hard to walk through the halls and the library when they return to school next week, knowing what happened. But they're also expressing their strength, saying, "We did not only earn the title of warriors today but we defined what a warrior truly is."
Coverage: Arapahoe High School Shooting
Teachers and staff went back to work at Arapahoe High School on Monday. Students will return to classes on Tuesday.
An online petition drive is asking Littleton Public Schools to give Arapahoe High School shooting victim Claire Davis a diploma at graduation in May.
When an armed student went into Arapahoe High School on December 13, many people sprung into action.
Claire Davis' father asked people to forgive the fellow student who shot and killed his 17-year-old daughter at Arapahoe High School.
The Arapahoe High School shooter entered the school through a door that should have been closed and locked, but was left ajar, Arapahoe County Sheriff Grayson Robinson said.
Gov. John Hickenlooper orders flags lowered to half-staff Wednesday in honor of Claire Davis, the student slain in the Arapahoe High School shooting.
Tickets to the celebration of Claire Davis' life are now available for students and staff at Arapahoe High School.
Claire Davis will be celebrated next week with a memorial at the National Western Stock Show and Complex.
Prosecutors are warning people that scam artists may try to take advantage of the shooting death of Claire Davis at Arapahoe High School by setting up phony websites and requesting donations.