[UPDATE] 9:54 a.m. Sat Dec 4
The Reno Police Department reports that Sagan was located and safely returned home.

[KOH] – The Reno Police Department is looking for a missing 12-year-old student. Sagan Elias left Swope Middle School in southwest Reno at about 11 a.m. after a disagreement with a teacher, police said. She walked away and did not appear to be distressed.
Police describe her as 5 feet, 2 inches tall, 60 pounds with long, light brown hair and hazel eyes. She was last seen wearing a gray sweatshirt with SWOPE in blue letters across the front, and dark-colored pants and carried a jacket with a fur-lined hood. You can see her pictures at kkoh.com
If you have information, call RPD at 775-334-2188.