Estefani Rivadeneyra, 15, was last seen leaving for Benjamin Franklin High School in Philadelphia at about 7:15 a.m. on May 7, 2015. She had been living with new foster parents for only two weeks when she failed to return home by the evening; her foster mother expected her back by about 5:00 p.m. and reported her missing to the Philadelphia Police Department the next day. Estefani is described as Hispanic and Caucasian, with dark black hair and brown eyes.

Details about what she was wearing or whether she had personal belongings when she left were not widely released. Her case was entered into the National Missing and Unidentified Persons System and remains open.

If anyone saw Estefani around May 7–8, 2015, or has information about her whereabouts, please come forward.