Chase Felgenhauer (pictured) was last seen as he left his home in the 400 block of Hawkcrest Circle in the North Natomas area, headed to school, according to a Police Department news release.
He left home riding his red and silver mountain bike. He never arrived at school, and no one has reported seeing him since that morning. Police said the teenager's family is concerned about his welfare.
Felgenhauer was last seen wearing a black and red hat with the word "WOLF" on it, a red and black sweatshirt and light blue jeans.
Anyone with information regarding the youth's whereabouts is asked to call the Police Department's dispatch center at (916) 264-5471.