The Education Equality Index is the first national comparative measure of the achievement gap between students from low-income families and their peers across the state, measured at school and city levels.

Powered by one of the largest collections of publicly-available income-focused student achievement data ever gathered, the Education Equality Index shows whether – and how quickly – the achievement gap is closing for students from low-income families.

In this data release, the Education Equality Index ranks the largest 100 cities within the 35 states for which data is available, and identifies up to 10 schools in each city that are closing or have closed the achievement gap.

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