18-year-old Owen died after being stabbed in Mazurek Way, Haydon End on December 4.
The 15-year-old, who cannot be named for legal reasons, has been remanded in a secure youth detention centre and is due to appear via videolink at Bristol Crown Court tomorrow.
A second boy, a 17-year-old, also charged with Owen’s murder, has been remanded in custody until April 13, when a case management meeting will be held at Bristol Crown Court.
Meanwhile this afternoon, a 14-year-old boy, who was arrested in December for the murder has been released on conditional bail until April 13.
