According to the 'Daily Mail', the teenagers signed deals at Old Trafford this week after taking part in trials which included friendlies behind closed doors.
Huddersfield made the decision to scrap teams from their Under16s down earlier this month, which meant tens of young players, two of whom recently earned call-ups to the England U16 side, were released without warning
Jose Mourinho's side have acted quickly to tie down some of the former Huddersfield academy players for free and Premier League rivals are battling over the others.
United's new recruits will have the option to carry on their education in Yorkshire or switch to Ashton-on-Mersey School, a 10-minute drive from United's Carrington Training base.