| Year | Calculus | AP calculus | Any science | Biology | AP/honors biology |
Chemistry | AP/honors chemistry |
| Minimum credit earned | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
| 1982 | 5.0 | 1.6 | 96.4 | 77.4 | 10.0 | 32.1 | 3.0 |
| 1987 | 6.1 | 3.4 | 97.8 | 86.0 | 9.4 | 44.2 | 3.5 |
| 1990 | 6.5 | 4.1 | 99.3 | 91.0 | 10.1 | 48.9 | 3.5 |
| 1994 | 9.3 | 7.0 | 99.5 | 93.2 | 11.9 | 55.8 | 3.9 |
| 1998 | 11.0 | 6.7 | 99.5 | 92.7 | 16.2 | 60.4 | 4.7 |
| 2000 | 11.6 | 7.9 | 99.5 | 91.2 | 16.3 | 62.0 | 5.8 |
| 2004 | 12.8 | 9.2 | 99.5 | 90.0 | 17.4 | 64.2 | 5.4 |
| NOTE: These data only report the percentage of students who earned a minimum amount of credit in each course while in high school and do not include a count of those courses taken prior to entering high school. In 2004, approximately 95 percent of graduates had taken algebra I before or during high school. |
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| SOURCE: U.S. Department of Education, National Center for Education Statistics. High School and Beyond Longitudinal Study of 1980 Sophomores, “First Follow-up” (HS&B-So:80/82); National Education Longitudinal Study of 1988 (NELS:88/92), “Second Follow-up, High School Transcript Survey, 1992”; Education Longitudinal Study of 2002 (ELS:2002/04), “High School Transcript Study”; and National Assessment of Educational Progress (NAEP), 1987, 1990, 1994, 1998, and 2000 High School Transcript Studies (HSTS). |
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