Decide who needs what kind of check
Contractors who are in regulated activity must have an enhanced DBS check with barred list information. You can find a full definition and examples of regulated activity in Annex E (pages 172 to 174) of Keeping Children Safe in Education (KCSIE) 2022.
Contractors who aren't in regulated activity but whose work gives them the opportunity for regular contact with children must have an enhanced DBS check.
Use your professional judgement to decide if the amount of contact they have merits an enhanced DBS check. For example, if they're working outside of school hours or in areas where the children don't go, they wouldn't need an enhanced check. This is also the case if you cordon off the areas where contractors are working.
You should set out your