Ashley Wright, 26 of Wigston, Leicestershire was charged on Wednesday, 17 February with two counts of sexual activity with a child, two counts of sexual communication with a child and abuse of position.
She was bailed to appear at Wimbledon Magistrates’ Court on Thursday, 18 March.
The initial offence took place at a secure training centre in Buckinghamshire in May 2019.
The remaining offences occurred between May 2019 and January 2020 at different locations.
The offences all relate to one victim.