To delete a child's certificate, do the following:
Locate the child, whose certificate you wish to delete, by scrolling through the list or using the search or filter tools on the Achievements page.
Click/tap on the numbered circle in the 'Achievements' column. For example:
Scroll through the child's certificates and click/tap on the one you wish to delete. The certificate preview will be displayed:
Click/tap on the bin button underneath the certificate thumbnail.
An alert will be displayed asking you to confirm that you wish to delete the selected certificate. For example:
Click/tap on the 'Delete' button. The alert will close and a banner will appear across the top of your screen confirming that the certificate has been deleted.