A 15-year-old Palo Alto girl and her 12-year-old Portola Valley boyfriend went missing Wednesday night or early Thursday morning and are believed to have run away together.
The girl, Emily Schubert, has been reported missing to the Palo Alto Police Department.
Benjamin Chilton's parents discovered their son missing from their home when they went to wake him up for school Thursday morning, according to the San Mateo County Sheriff's Office.
Friends of Ben and Emily said the two planned to go to the Haight-Ashbury area of San Francisco to hang out, the Sheriff's Office reported. It is unknown how they are traveling.
Emily is described as white, 5-foot-7-inches tall, 105 pounds with bright pink and red hair and brown eyes. She was last seen carrying a multi-colored backpack, according Palo Alto Police Agent Sandra Brown.
Ben is described as white, 5-foot-9-inches tall, 135 pounds with blond hair and blue eyes.
Brown confirmed Friday morning that the pair have not yet been found.
Law enforcement agencies in San Mateo, Santa Clara and San Francisco counties have been notified, along with transit agencies. San Francisco police officers are "actively looking" for the youths.
Information about Ben and Emily has also been entered into a nationwide database for missing persons.
People with information on the whereabouts of either youth are asked to contact any law enforcement agency.
The San Mateo County Sheriff's Office can be reached at 650-363-4911.