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- Economically disadvantaged;
- Special education;
- Limited English Proficient students (also known as ELL---English Language Learners); and
- Students from major racial/ethnic groups.
For example, in the District of Columbia, by the end of the 2016/17 academic year, the goal for reading is that there be 70 percent proficiency for black students and that for white students it be 94 percent proficiency. So that's obviously a 24 percentage point difference. But black students are so far behind their white peers right now in D.C. that they're being asked to make a much greater rate of growth.