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Back to Table of Contents. Back to Table of Contents. Percentage of ELL students in Massachusetts Schools for the 1 st or 2 nd Year. Percentage of ELL Students at each Performance Level, 2011. Cumulative Progress and Performance Index (PPI)

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  1. Back to Table of Contents Back to Table of Contents

  2. Percentage of ELL students in Massachusetts Schools for the 1st or 2nd Year

  3. Percentage of ELL Students at each Performance Level, 2011

  4. Cumulative Progress and Performance Index (PPI) The cumulative PPI combines information about narrowing proficiency gaps, growth, and graduation and dropout rates over the most recent four-year period into a single number between 0 and 100. All districts, schools, and groups with sufficient data are assigned an annual PPI based on two years of data and a cumulative PPI between 0 and 100 based on three annual PPIs. The annual PPI is a measure of the improvement that a group makes toward its own targets over a two-year period on up to seven indicators: narrowing proficiency gaps (English language arts (ELA), mathematics, and science); growth (ELA and mathematics)

  5. Composite Performance Index (CPI) Achievement Gap ELA MCAS

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