Carl James Rickard, 14, known to his friends as CJ, died in hospital on Friday night after being in intensive care since the attack on 24 January outside the Kidbroke School in Charlton, south-east London.
The boys, who appeared in court last week charged with attempted murder, would now be charged with murder, a police spokeswoman said. They are due to appear at Lewisham Youth Court, sitting at Greenwich Magistrate's Court, on 12 February. A 16-year-old youth remains on police bail and is due to return to Plumstead police station on 14 February.
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- Attempted Murder
- City Of Westminster Magistrates' Court
- Young People's Literature