Adam Chowdhary, 18, went on trial last year, identified only as "Boy B", alongside Joshua Molnar after the death of Yousef Makki.
Judge says Boy B should not be named until any appeal is determined.
A 17-year-old cleared of lying to police about the fatal stabbing of Yousef Makki has made a bid to the High Court to protect his identity.
A 17-year-old grammar school pupil killed in an alleged knife attack died from a stab wound to the chest, an inquest has heard.
A 17-year-old boy will appear at Manchester Crown Court court charged with the murder of a grammar school pupil who was stabbed to death.