Officials say that Ramirez has the mental capacity of an 11-year-old and suffers from multiple seizures and is need of medication.
Ramirez is described as a Hispanic female who is 5' 6" and weighs 170 pounds. She has blond hair and brown eyes.
She was last seen wearing a black sweater, orange Capri pants and was carrying a backpack.
Anyone with information about the whereabouts of Christina Ramirez is asked to call the Mission Area Watch Commander at (818) 838-9800. On weekends and during off-hours, call the 24-hour, toll free anonymous tip line at 1-877-LAWFULL (529-3855).