Information on a CRB check is given under the following headings (in this order).
Police records of Convictions, Cautions, Reprimands and Final Warnings.
Information from the list held under section 142 of the Education Act 2002.
Protection of Children Act List information.
Protection of Vulnerable Adults List Information.
Other relevant information disclosed at the Chief Police Officer(s) discretion.
This is an exact copy of the headings from an 'Enhanced Criminal Record Certificate' within the meaning of sections 115 and 116 of the Police Act 1997.
There is no 'Data Protection' issue as the employee has to give permission for the disclosure to be made.