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PostPosted: Tue Nov 27, 2018 12:45 pm 
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Joined: Thu Mar 01, 2018 6:25 pm
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Consultation open until 17th January: https://www.suttongrammar.sutton.sch.uk ... nsultation

A really interesting change proposed to bring in a weighting for deprivation as well as age. The SET & 2nd stage scores will be adjusted depending on postcode in a similar way to the age adjustments already in place. The amount of adjustment depends on the IDACI - it's a measure of child deprivation by postcode used by government. Has this been done anywhere else before? I'd only heard of adjustments based on Pupil Premium. This looks a much more precise way to level the playing field.

"Our modelling suggests that students in the middle part of the rank order would move by up to +/- 10 places, so the precise order in which places are allocated to students will be affected by this change"

For the statisticians on here the methodology is explained in this document. https://fluencycontent-schoolwebsite.ne ... nation.pdf


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PostPosted: Tue Nov 27, 2018 1:15 pm 
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Interesting...I wonder if this will result in families moving into the "worst" postcodes for a year or two to take advantage of the system...


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PostPosted: Tue Nov 27, 2018 3:24 pm 
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Golgo13 wrote:
Interesting...I wonder if this will result in families moving into the "worst" postcodes for a year or two to take advantage of the system...


That would be an extreme tactic to gain a few points (3.something max it said), but I guess some people are very determined when it comes to grammars! The methodology explains that the deprivation weighting applied to the 2019 cohort would have meant 17 additional boys passing the SET and 2 of those would have gone on to pass 2nd stage. The more significant outcome of the new weighting was to change the rankings in the middle part of the order after the 2nd round. But even then it only increased or decreased the rank by a single 'band' (1 band = 4 points) - no-one shifted 2 bands either way. Once you have been banded, everyone in that same band is ranked on distance not score I think.


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PostPosted: Wed Nov 28, 2018 9:17 am 
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Still...it might push house prices up in those areas and drive low-income families into less deprived postcodes...


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PostPosted: Wed Nov 28, 2018 9:28 am 
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interesting map of IDACI scores https://parallel.co.uk/imd/idaci-score. ... 52/-0.2915


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