He appeared in custody on Saturday, 19 February, at Croydon Youth Court.
Police were called at approximately 00:10hrs on Saturday 29 January following reports of an assault close to East Dulwich rail station.
Daniel Graham, 18, of Fellbrigg Road SE22, was taken by ambulance to a south London hospital where he was pronounced dead at approximately 02:15hrs.
A post-mortem gave cause of death as stab wounds – he had been stabbed 24 times.
An incident room was opened under DCI Dave Manning (HSSC).