The gunshot wound was self-inflicted, school Superintendent Neal Pedersen said today.
Miles Parker, 12, a sixth-grader at Grey Culbreth Middle School, said he was walking near cafeteria and heard a gunshot. He first thought it was a locker door slamming, but then heard the teachers yelling for someone to call 911.
"It was pretty scary," he said.
Chapel Hill police Capt. Tony Oakley said the parents of the seventh-grader were notified. He said he did not have any information about why the girl tried to kill herself.
Earlier, Marquite Wahl, a student at the school, told WRAL-TV that another student found the girl.
UNC Hospitals confirmed a 13-year-old from the school was in critical condition, WTVD in Durham reported. The hospital did not immediately return a phone call seeking confirmation of the report.
The shooting follows the deaths of five people at a middle school in Jonesboro, Ark., last week. Eleven people also were injured in that shooting.
Parents arriving at the school to investigate the reports were told that school will continue for the day and that the shooting was an "isolated incident."
A number of parents were seen arriving at the school to pick up their children.
Eddie Durham, the husband of a seventh-grade counselor, said he was scared when he first learned of the shooting because of what had happened in Jonesboro. He calmed down after learning it was a suicide attempt.
"It scared the hell out of me with all that's been going on," he said. "Then I heard it was a one-shot thing, then I said, 'thank the Lord, it's not someone in the woods with a gun.' "
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