Police launched a murder investigation following the knife attack at Westbourne Road, near the junction of Sheringham Road, following the stabbing on Tuesday (December 9) at 1.02pm.
He was rushed to hospital but died shortly after.
The teenager has since been named as Adam Henry in tributes shared online.
It later emerged that the crime scene was down the road from St Mary Magdalene School, where he studied in year seven, before he left to go to Bridge Satellite School the year after.
Adam is also understood to be the second youngest person to have been killed in the capital.
This year there has been bloodshed across the city with 70 homicides recorded between January 1 and September 30, 16 per cent less than the homicides recorded last year.
Since then, Newsquest London has reported on six known fatal stabbings between October and December.
Throughout all of these murders, the youngest known stabbing victim is 14-year-old Kelyan Bokassa, who was killed as he travelled home on a route 472 bus in Woolwich on January 7.
The brutal incident at the beginning of the year involved the kid being stabbed 27 times by two smiling 16-year-olds.
It was reported that there was “intense screaming” from the back of the bus as Kelyan shouted for help.
He was then heard saying “I want my mum” as he stumbled down the stairs.
Since then, two 16-year-olds have been locked up for life on July 25, with minimum terms of 15 years and 10 months.
There have however been no arrests at the time of reporting following Adam’s death in Islington.
