Jo Shuter, former headteacher at Quintin Kynaston in Swiss Cottage where Emwazi went to school said she remembered a "hardworking and aspirational young man".
A government review will look into the connection between three young men who went on to become jihadist fighters after attending a London school.
Former pupil at Quintin Kynaston academy, Mohammed Emwazi, has been revealed to be the man behind the mask of a violent extremist known as Jihadi John, who appeared in a number of propaganda videos in which he murdered Western hostages.
Meanwhile, two other alumni of the school - Choukri Ellekhlifi and Mohammed Sakr - both died in combat in 2013 after joining militant Islamist groups Al Qaeda and al-Shabaab, raising fears the boys may all have been radicalised as teenagers.
Former head at the school, Jo Suter, denied that teachers knew anything about the boys being radicalised, while a Department for Education spokesman said the ability of authorities to monitor possible radicalisation in schools had "advanced hugely" in recent years.
A former Islamic State fighter who met now-notorious British jihadist Mohammed Emwazi in Syria has revealed the violent extremist was "strange" - and said IS leaders were "playing him like a piano".
A defector from the militant group, Abu Ayman told the BBC that Emwazi would actively ignore his fellow Brits who had also travelled to join the fight.
Police are hunting for a callous motorcyclist who got off his bike after knocking down a pedestrian and shouted at him while unconscious.
The 53-year-old victim was hit by a bike while crossing a road, knocked out and was lying prostrate when the unknown motorcyclist stopped.
Witnesses reported to police that the rider got off his bike and yelled at the unconscious pedestrian - before riding off. The shocking incident happened in the early hours of Saturday morning near Cheam in Surrey. The pedestrian was taken to a south London hospital, but he is not thought to be in a life-threatening condition.
Thousands of future secondary school pupils across London today will find out whether they have been allocated a place at the state school of their choice.
Many Local Education Authorities will begin sending out letters to parents today in what's become known as 'National Offer Day'.