| | Performance scale scores |
| Total, 2000 | 220 | (1.7) | 230 | (1.6) | 226 | (1.4) |
| Total, 2003 | 229 | (0.5) | 238 | (0.3) | 236 | (0.3) |
| Total, 2005 | 233 | (0.3) | 241 | (0.2) | 238 | (0.3) |
| National School Lunch Program |
| Eligible |
| 2000 | 205 | (1.2) | 209 | (2.0) | 214 | (1.7) |
| 2003 | 219 | (0.4) | 223 | (0.5) | 225 | (0.4) |
| 2005 | 223 | (0.3) | 227 | (0.4) | 228 | (0.3) |
| Not eligible |
| 2000 | 235 | (1.7) | 237 | (1.8) | 231 | (1.4) |
| 2003 | 242 | (0.7) | 246 | (0.3) | 243 | (0.3) |
| 2005 | 247 | (0.4) | 249 | (0.2) | 246 | (0.3) |
| Information not available |
| 2000 | 237 | (2.6) | 239 | (2.2) | ‡ | ( ‡) |
| 2003 | 243 | (1.1) | 242 | (1.3) | 237 | (1.6) |
| 2005 | 244 | (1.3) | 246 | (0.9) | 242 | (1.7) |
| | Percentage distribution |
| Total, 2000 | 32 | (1.8) | 46 | (2.4) | 22 | (1.9) |
| Total, 2003 | 31 | (0.3) | 41 | (0.5) | 28 | (0.4) |
| Total, 2005 | 32 | (0.3) | 44 | (0.3) | 24 | (0.3) |
| National School Lunch Program |
| Eligible |
| 2000 | 45 | (2.8) | 33 | (3.6) | 22 | (2.6) |
| 2003 | 42 | (0.7) | 31 | (0.7) | 27 | (0.6) |
| 2005 | 42 | (0.4) | 34 | (0.4) | 24 | (0.4) |
| Not eligible |
| 2000 | 22 | (2.1) | 54 | (2.8) | 24 | (2.4) |
| 2003 | 21 | (0.5) | 48 | (0.6) | 32 | (0.6) |
| 2005 | 22 | (0.4) | 52 | (0.4) | 26 | (0.4) |
| Information not available |
| 2000 | 31 | (5.2) | 49 | (5.7) | 20 | (4.3) |
| 2003 | 39 | (2.0) | 45 | (2.2) | 15 | (1.3) |
| 2005 | 39 | (2.1) | 47 | (2.0) | 14 | (1.4) |
| ‡ 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. |