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 out:

• why Ofsted and the Department for Education (DfE) are producing similarsimilar-schools schools data as additional information forwith assessingwhich schoolto achievement.

  Itassess covers:

  attainment
  • how theschools model will allowbe schoolsable to use that data to benchmark themselves against betterpeers performerswith a similar intake
  • thehow variablesOfsted usedinspectors inwill use the similardata schoolsfrom modelSeptember to2026

  The explaintechnical attainmentnote atexplains:

  • the keycharacteristics stageused 2to anddefine keysimilar stage 4schools
  • howwhy Ofstedcontextual inspectorsanalysis willcan useboost theschool dataself-improvement
  • howthe schoolsstatistical willtechniques beused able to usecreate the similarmodel
  • the schoolsfinal functionalityvariable set and weightings