So you can stay ahead of the news, here's a quick look at some of the stories ABC15 will be keeping an eye on Friday, December 21.
RED MOUNTAIN HIGH SCHOOL PLOT
The 16-year-old suspect in the murder-suicide plot at Mesa's Red Mountain High School is expected to make her first appearance in juvenile court.
BELL RINGING TO HONOR SCHOOL SHOOTING VICTIMS
Governor Jan Brewer signed a proclamation requesting Arizonans participate in a moment of silence at 9:30 a.m. Friday to mark one week since the Connecticut school shooting. She has also asked houses of worship and government buildings with bells to bring 26 times during that moment to honor each life lost at Sandy Hook Elementary School.
END OF THE WORLD
If you believe the Mayan calendar, the world will end at 11:11 UTC, or 4:11 a.m. Mountain Standard Time.