| | Performance scale scores |
| Total, 2000 | 266 | (1.9) | 277 | (1.3) | 275 | (1.6) |
| Total, 2003 | 271 | (0.6) | 281 | (0.5) | 279 | (0.4) |
| Total, 2005 | 273 | (0.4) | 283 | (0.3) | 279 | (0.4) |
| National School Lunch Program |
| Eligible |
| 2000 | 248 | (1.8) | 254 | (2.0) | 259 | (2.2) |
| 2003 | 256 | (0.8) | 260 | (0.7) | 264 | (0.6) |
| 2005 | 258 | (0.4) | 263 | (0.5) | 266 | (0.4) |
| Not eligible |
| 2000 | 280 | (2.4) | 284 | (1.6) | 284 | (1.5) |
| 2003 | 284 | (0.7) | 289 | (0.4) | 287 | (0.4) |
| 2005 | 286 | (0.6) | 290 | (0.4) | 287 | (0.4) |
| Information not available |
| 2000 | 272 | (3.2) | 280 | (2.2) | ‡ | ( ‡) |
| 2003 | 284 | (1.7) | 287 | (1.5) | 284 | (1.4) |
| 2005 | 288 | (1.9) | 291 | (1.5) | 285 | (2.0) |
| | Percentage distribution |
| Total, 2000 | 31 | (1.3) | 44 | (1.8) | 25 | (1.8) |
| Total, 2003 | 29 | (0.3) | 42 | (0.4) | 29 | (0.4) |
| Total, 2005 | 31 | (0.3) | 43 | (0.4) | 26 | (0.3) |
| National School Lunch Program |
| Eligible |
| 2000 | 43 | (2.1) | 29 | (2.2) | 27 | (2.3) |
| 2003 | 40 | (0.7) | 32 | (0.8) | 29 | (0.6) |
| 2005 | 42 | (0.4) | 33 | (0.4) | 26 | (0.4) |
| Not eligible |
| 2000 | 24 | (2.0) | 50 | (2.7) | 26 | (2.3) |
| 2003 | 21 | (0.5) | 47 | (0.7) | 32 | (0.6) |
| 2005 | 23 | (0.4) | 49 | (0.5) | 27 | (0.4) |
| Information not available |
| 2000 | 32 | (3.8) | 51 | (4.9) | 18 | (4.1) |
| 2003 | 40 | (1.9) | 43 | (2.3) | 17 | (1.7) |
| 2005 | 41 | (2.3) | 46 | (2.1) | 13 | (1.5) |
| ‡ Reporting standards not met. |
| NOTE: The NAEP Mathematics scale ranges from 0 to 500. Observed differences are not necessarily statistically significant. Detail may not sum to totals because of rounding. Standard errors appear in parentheses. |
| SOURCE: U.S. Department of Education, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000, 2003, and 2005 Mathematics Assessment, NAEP Data Explorer. |
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