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How are P8 Scores calculated at a subject level?
How are P8 Scores calculated at a subject level?

You can see each student's P8 score on the tracker, but it is important to remember this is a whole-cohort metric.

Tobi Davis avatar
Written by Tobi Davis
Updated over a week ago

On every qualifying KS4 tracker, and providing that your students' KS2 scores have been uploaded to Pupil Progress, you'll notice a column for your students' Progress 8 (P8) scores immediately to the right of their Current, Average Unit, and Teacher Predicted Grades.

This is based on a comparison to where the student should be, first by taking their attainment grade and converting this into an Attainment 8 (A8) score. For most GCSE grades, this is very simple (i.e. a grade 6 = 6.00), but Pupil Progress will convert any vocational grades into their corresponding A8 value based on the DfE's guidance (available from page 62).

The P8 score is then calculated as the difference between the student's expected A8 score, again published by the DfE (p.79) and based off of their KS2 results, and the attainment score produced by your Pupil Progress tracker. The DfE publish updated expected attainment scores each year, with these then always being updated on Pupil Progress shortly after. You're able to find the most recent guidance below:

However, it is important to remember that P8 is not based on a single qualification or student's grade and instead intended for a wide data range of students and subjects. In many cases, the expected A8 value will not be a grade that the student can attain - for example, a student with an English KS2 scaled score of 107 is expected to achieve 5.36 on their GCSE, although of course on their GCSE they may only get a 5 or a 6.

For more information on how P8 is calculated and how this correlates with your use of Pupil Progress, please take a look at the following video:

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