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Guidance

Similar schools model for attainment

How the similar schools data model for attainment will work when it is introduced in September 2026.

Applies to England

Documents

Details

This guidance is for:

  • school leaders, particularly those with responsibility for improving attainment
  • governors, trustees and others with responsibility for overseeing schools and holding them accountable for their actions to improve attainment

The overview sets out:

  • why Ofsted and the Department for Education (DfE) are producing similar-schools data as additional information with which to assess attainment
  • how schools will be able to use that data to benchmark themselves against peers with a similar intake
  • how Ofsted inspectors will use the data from September 2026

The technical note explains:

  • the characteristics used to define similar schools
  • why contextual analysis can boost school self-improvement
  • the statistical techniques used to create the model
  • the final variable set and weightings

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