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England SWF Census Error 4100

In this guide, we will show you how to resolve the School Workforce Census Query 4100.

For further guidance on the SWF Census see here and see How to Manage Staff Background Checks

If you have run your SWF Census and are finding the 4100 Query against some of your staff members, use the steps in this guide to resolve the Query.

DfE Validation

4100Q<TeacherNumber> should be provided where:
[<QTS> or <EYTS> or <QTLS>] is equal to true or 1
OR
Within any open contract (<Post> is one of [HDT, DHT, AHT, TCH, TCM, TCU, APP, or LDP] AND no <PayRange> is equal to ‘UT’).
Teacher with Teacher Number missing: Please supply either the correct Teacher Number or a reason for its omission in a return level note.

To begin, go to the staff member’s record and select the Background Check panel.

Scroll down further until you see the Qualifications Check panel and once you are there, double on the section of the panel outlined below.

This will open the Add/Edit Qualification Checks panel and within the Professional Details side of it, you will see the field for Teacher Number.

Once the Teacher Number is added, press Save.

IMPORTANT in order for the resolved error/query to be removed from the list of errors/queries you would need to generate a new Census return and remember to use save & validate for the errors/queries to update/clear.

Updated on September 11, 2025

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