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The Department for Education produces

Posted: Mon Jan 27, 2025 3:32 am
by asimj1
This is a limitation of the data that we have to work with. Or put another way, the reality will be more complicated than what is presented here.

The gap in 2024
National Key Stage 4 data for 2024 was canada rcs data published just before the Christmas break.

a “gap index”. However, this isn’t an easily interpretable measure so I’m going to work with two of the headline performance tables measures: Attainment 8 and Progress 8 (although arguably these aren’t particularly easy to interpret either).

In state-funded mainstream schools[2] the overall gaps (consisting of both within-school and between-school parts) between disadvantaged pupils and their peers on both measures were as follows:

Attainment 8 is composed of grades achieved in “eight”[3] subjects at Key Stage 4. Non-disadvantaged pupils achieve a total of 14.4 points more on average than disadvantaged pupils on this measure, almost a grade and a half per subject.

The Progress 8 gap was 0.7 points. This is a per subject measure so to put it back onto the same scale as Attainment 8 we multiply by 10[4] to arrive at 7.0 points.