He pounced to score the only goal of the game in the 70th minute to lift Pat Holland's side back up to third place in what is proving a tight section of the FA Premier Academy League.
Andy Barcham, who was in flying form as a second half substitute, set up the goal with a burst down the left wing before Dawkins buried from close range.
The winner came a few days after the young striker opened his competitive account for the reserves with a goal in the 5-0 win at Norwich City.
We'll have the thoughts of coach Pat on Tuesday...
Spurs U18: Button, Smith, Martin, Lewis, Peprah, Mills, Hellar, Livermore (Barcham, 65), Dawkins, Hutton, Maghoma. Unused sub: Lake.
Simon Dawkins maintained his fine form in front of goal as our Under-18s grabbed a 1-0 win at Reading.