According to the News Agency of Nigeria, the teenager was charged by the police with murder on Tuesday.
The Magistrate, Dehinde Dipeolu, who rejected the plea of the minor, ordered that he be remanded for 30 days in the Boaster Home Correctional Centre pending legal advice from the Director of Public Prosecution (DPP).
Dipeolu adjourned the case until July 16 for a mention.
The prosecution counsel, Inspector Olu-Balogun Lawrence, told the court that the 15-year-old boy committed the offence on February 24 at about 1:30 p.m. at Nawar ud-Deen Grammar School area in Abeokuta.
Lawrence disclosed that the boy and the deceased were students of Reverend Kuti Memorial Grammar School and Nawar ud-Deen Grammar School,
He disclosed that the minor accosted the victim on her way home from school and asked her to be his girlfriend, but she refused.
“As a result of the beating, the victim was taken to the General Hospital at Ijaye for treatment and was later transferred to the Federal Medical Centre Abeokuta, where she died,” he said.
Lawrence said that the offence contravened the provisions of sections 316 and, 319(1) of the Criminal Code, Law of Ogun, 2006