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National data collection

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Tell us if you want any of the documents on this page in an alternative format.
The electronic collection of teacher assessment data for Foundation Phase and Key Stages 2 and 3.

Schools send us the data via their local authority.  Further information on statutory assessment arrangements can be found on Learning Wales (external link).

Key dates

  • 9 May 2017 - Date on roll
  • 9 June 2017 - Deadline for submission of NDC files
  • 30 June 2017 - Final deadline for amended NDC files following validation
  • August 2017 - NDC school comparative reports with benchmarking available.

If you have any queries please email