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Last updated on 23 March 2018
Ref: 11635
School types: All · School phases: Secondary

Read our guidance to understand the methodology behind your school's progress 8 score. We look at prior attainment - for pupils with and without KS2 data - and explain how confidence intervals work. We also link to information on progress tracking without having to predict progress 8 scores.

Article tools


  1. Tool for calculating progress 8
  2. Methodology
  3. Pupils with level 2 or incomplete KS2 results
  4. Confidence intervals
  5. Changes from the 2016 methodology
  6. Predicting attainment 8 scores
  7. Scaled scores in progress 8

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