Figure I
District of Columbia Public Schools' 4th-grade math scores, all and by income group, NAEP, 2003–2011
| Grade 4 | All/scale score | Low-income | Non-low Income |
|---|---|---|---|
| 2003 | 205 | 200 | 221 |
| 2005 | 210 | 204 | 229 |
| 2007 | 214 | 206 | 229 |
| 2009 | 220 | 210 | 245 |
| 2011 | 222 | 211 | 250 |
Note: Low-income students are those who are eligible for free or reduced-price lunch. Graph shows scores for odd-numbered years; lines interpolate points in-between.
Source: DCPS National Assessment of Educational Progress data (Levy 2012c)
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