The Toon teenagers, targeting a fourth successive win across all competitions, fell behind in the 24th minute at Rockcliffe Park courtesy of Billy Linacre's strike before, seven minutes later, 16-year-old Jack Skelton equalised for the visitors.
Alfie Brown restored Middlesbrough's one-goal cushion five minutes after the restart before Newcastle suffered a further blow in the 57th minute as the Boro full-back grabbed his second goal of the day.
Chris Moore's side remain in second place of the 15-team division, lying three points adrift of table toppers Manchester City, but target a third consecutive home victory in all competitions when hosting their Everton counterparts at the Magpies' Little Benton Academy on Saturday, 31st October (kick-off 12:30pm GMT).
Newcastle United Under-18s: George Mair, Jack Patterson, Jack Skelton, Luke Gilligan, Thomas Old (Lesecond Yeutembip , Christian Boothe, Sammy Pinnington (Kyle Healy-Matthews 62), Sam Alabi, Alfie Hutchison, Muawiya Ghanem (Thomas Bowness 69), Jack Callaghan (Theo Benjamin 79).
Subs not used: Lucas Flack, Ethan Ndiweni.




