Plymouth have offered professional contracts to youngsters Jordan Copp, Isaac Vassell and Jed Harper-Penman.
All three were key members of the Pilgrims' Football League Youth Alliance title-winning side and have had previous experience in the first team.
The trio are the final graduates of the club's current youth scheme before the implementation of the new Elite Player Performance Plan.
The Pilgrims have decided against signing scholars Dan Hart and Jordan Pearce and they have consequently been released.
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