[1][2] In September 2019 the Sixth Labour Government announced the decile system would be replaced by a new "Equity Index" which would come into effect as early as 2021.
[4] In July 2022, their Equity Index rating numbers were advised to New Zealand (state and state-integrated) schools to be introduced in 2023.
The Statistics Department utilised 37 socio-economic factors for each pupil, including both parents' educational levels, imprisonment data and benefit history plus Oranga Tamariki notifications and student transience to calculate a school index number between 344 and 569 for each school, with a national average of 463 and a higher index number meaning more EQI index funding.
[5][6] For statistical and analytical purposes, schools are divided into seven bands and then into three groups based on their EQI.
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