Victoria Police are appealing for public assistance to help locate a missing 16-year-old girl.
The teenager, named Sarah, was last seen leaving her Burwood address to attend Warrandyte High School about 7am yesterday.
Police and family have concerns for her welfare due to a medical condition and her disappearance is out of character.
Investigators have released an image of Sarah in the hope someone can provide information on her current whereabouts.
Sarah is described as being about 163cm tall, with a slim build, freckles and long blonde hair.
She was last seen wearing her high school uniform which consists of a black jumper, blue, red and white checked dress, white socks, black shoes and carrying her backpack which is beige with gold stars.
Anyone who sees Sarah is urged to contact Box Hill Police Station on 8892 3200.