| | 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) |
| Parental education level |
| Did not finish high school |
| 2000 | 247 | (2.8) | 256 | (2.8) | 258 | (3.6) |
| 2003 | 253 | (1.1) | 257 | (1.1) | 260 | (0.7) |
| 2005 | 257 | (0.8) | 261 | (0.7) | 261 | (0.8) |
| Graduated high school |
| 2000 | 250 | (2.4) | 264 | (1.7) | 267 | (1.8) |
| 2003 | 260 | (0.8) | 270 | (0.6) | 270 | (0.5) |
| 2005 | 260 | (0.6) | 270 | (0.5) | 271 | (0.6) |
| Some education after high school |
| 2000 | 271 | (2.7) | 278 | (1.4) | 283 | (2.3) |
| 2003 | 273 | (0.8) | 282 | (0.7) | 283 | (0.5) |
| 2005 | 274 | (0.6) | 283 | (0.5) | 283 | (0.5) |
| Graduated college |
| 2000 | 280 | (2.0) | 290 | (1.5) | 285 | (2.1) |
| 2003 | 283 | (0.8) | 291 | (0.5) | 288 | (0.5) |
| 2005 | 286 | (0.5) | 294 | (0.4) | 289 | (0.5) |
| Unknown |
| 2000 | 249 | (2.2) | 257 | (1.9) | 257 | (4.1) |
| 2003 | 254 | (0.9) | 260 | (1.0) | 264 | (0.8) |
| 2005 | 257 | (0.6) | 262 | (0.7) | 265 | (0.8) |
| | 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) |
| Parental education level |
| Did not finish high school |
| 2000 | 37 | (2.8) | 38 | (3.1) | 25 | (2.6) |
| 2003 | 36 | (0.9) | 34 | (1.0) | 30 | (0.8) |
| 2005 | 39 | (0.8) | 36 | (0.6) | 25 | (0.7) |
| Graduated high school |
| 2000 | 27 | (1.7) | 39 | (2.6) | 33 | (2.7) |
| 2003 | 27 | (0.5) | 36 | (0.5) | 37 | (0.6) |
| 2005 | 29 | (0.5) | 39 | (0.5) | 32 | (0.4) |
| Some education after high school |
| 2000 | 30 | (1.5) | 45 | (2.1) | 26 | (2.1) |
| 2003 | 27 | (0.6) | 42 | (0.6) | 31 | (0.5) |
| 2005 | 30 | (0.5) | 42 | (0.5) | 28 | (0.5) |
| Graduated college |
| 2000 | 30 | (1.7) | 49 | (2.3) | 21 | (1.9) |
| 2003 | 28 | (0.5) | 45 | (0.6) | 27 | (0.5) |
| 2005 | 29 | (0.5) | 47 | (0.5) | 23 | (0.4) |
| Unknown |
| 2000 | 40 | (2.2) | 41 | (2.4) | 20 | (2.0) |
| 2003 | 36 | (0.7) | 40 | (0.8) | 25 | (0.5) |
| 2005 | 40 | (0.7) | 39 | (0.7) | 22 | (0.5) |
| 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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