| The University of Oklahoma |
| Percentage | |||||||||||
| Minimum Required | Allocated for | ||||||||||
| ACT | SAT | Minimum | HS Class | Alternative | |||||||
| Fall | Old | Enhanced | Old | Recentered | HS GPA | Ranking | Admissions | ||||
| 1985-87 | 17 | or | 3.0 | or | Top 1/2 of HS class | 5.0% | |||||
| 1988 | 18 | or | 3.0 | or | Top 1/2 of HS class | 5.0% | |||||
| 1989 | 19 | or | 3.0 | or | Top 1/2 of HS class | 5.0% | |||||
| 1990 | 21 | or | 850 | or | 3.0 | and | Top 1/2 of HS class | 5.0% | |||
| 1991 | 21 | or | 950 | or | 3.0 | and | Top 2/5 of HS class | 7.0% | |||
| 1992-95 | 21 | or | 990 | or | 3.0 | and | Top 1/3 of HS class | 8.0% | |||
| 1996-99 | 22 | or | 1010 | or | 3.0 | and | Top 1/3 of HS class | 8.0% | |||
| 2000 | 24 | or | 1090 | or | 3.0 | and | Top 30% of HS class | 8.0% | |||
Source: Oklahoma State Regents for Higher Education. |