| Low mathematics score1 |
| Total | 100.0 | 18.3 | 24.7 | 30.3 | 15.0 | 4.5 | 7.2 |
| Sex |
| Male | 100.0 | 15.7 | 26.7 | 30.9 | 16.1 | 5.3 | 5.5 |
| Female | 100.0 | 21.0 | 22.7 | 29.8 | 13.9 | 3.6 | 8.9 |
| Race/ethnicity |
| White, non-Hispanic | 100.0 | 20.5 | 29.7 | 24.3 | 12.1 | 4.4 | 9.1 |
| Black, non-Hispanic | 100.0 | 10.7 | 20.3 | 35.4 | 25.2 | 4.3 | 4.1 |
| Hispanic | 100.0 | 26.6 | 20.5 | 33.8 | 8.4 | 5.8 | 4.9 |
| Socio-economic status2 |
| Low | 100.0 | 29.9 | 25.4 | 26.7 | 11.2 | 3.9 | 2.9 |
| Middle two quartiles | 100.0 | 9.5 | 27.6 | 31.7 | 19.6 | 4.9 | 6.7 |
| High | 100.0 | 10.7 | 6.2 | 40.2 | 7.8 | 4.9 | 30.3 |
| Middle mathematics score3 |
| Total | 100.0 | 5.1 | 19.3 | 32.7 | 9.5 | 8.6 | 24.8 |
| Sex |
| Male | 100.0 | 7.2 | 22.8 | 32.1 | 8.1 | 8.2 | 21.8 |
| Female | 100.0 | 3.2 | 16.0 | 33.2 | 10.9 | 9.0 | 27.7 |
| Race/ethnicity |
| White, non-Hispanic | 100.0 | 5.1 | 19.9 | 31.0 | 8.5 | 9.1 | 26.4 |
| Black, non-Hispanic | 100.0 | 2.7 | 17.4 | 30.6 | 20.2 | 5.3 | 23.9 |
| Hispanic | 100.0 | 7.2 | 16.7 | 44.2 | 7.8 | 8.7 | 15.3 |
| Socio-economic status2 |
| Low | 100.0 | 12.4 | 32.0 | 28.8 | 12.4 | 6.4 | 8.0 |
| Middle two quartiles | 100.0 | 3.7 | 19.8 | 35.9 | 10.2 | 9.1 | 21.3 |
| High | 100.0 | 0.6 | 4.6 | 29.3 | 4.6 | 9.7 | 51.2 |
| High mathematics score4 |
| Total | 100.0 | 0.8 | 5.6 | 25.4 | 4.2 | 5.3 | 58.7 |
| Sex |
| Male | 100.0 | 0.3 | 7.9 | 28.4 | 3.4 | 4.5 | 55.5 |
| Female | 100.0 | 1.5 | 3.2 | 22.2 | 4.9 | 6.2 | 62.0 |
| Race/ethnicity |
| White, non-Hispanic | 100.0 | 0.8 | 5.6 | 25.0 | 4.4 | 5.8 | 58.4 |
| Black, non-Hispanic | 100.0 | ‡ | ‡ | 25.4 | 1.7 | 1.1 | 59.7 |
| Hispanic | 100.0 | ‡ | 6.2 | 37.5 | 4.8 | 4.5 | 46.6 |
| Socio-economic status2 |
| Low | 100.0 | 10.7 | 14.9 | 35.1 | 3.0 | 7.5 | 28.8 |
| Middle two quartiles | 100.0 | 0.3 | 9.2 | 30.9 | 5.7 | 7.4 | 46.6 |
| High | 100.0 | # | 1.0 | 18.8 | 2.9 | 3.1 | 74.1 |
| ‡ Reporting standards not met. |
| # Rounds to zero. |
| 1Scores within the bottom 25 percent of the weighted distribution. |
| 2Socioeconomic status was measured by a composite score on parental education and occupations, and family income. |
| 3Scores within the middle 2 quartiles of the weighted distribution. |
| 4Scores within the top 25 percent of the weighted distribution. |
| SOURCE: U.S. Department of Education, National Center for Education Statistics, National Education Longitudinal Study of 1988 (NELS:88/2000), 'Fourth Follow-up,' unpublished data. |