We don't have a central administrator for the accounts. This is something that we are looking at developing in the near future.
At the moment, anyone who is registered under the school can invite and remove colleagues from the schools account.
To see who is registered against your school, invite colleagues and remove any old colleagues, please follow this link.
You will be taken to a series of pages that allow you to make amendments to your users.
If you want to be a DSL for The Safeguarding Training Centre please have a look at this article.