As part of the OCHS restructuring plan students could complete a two-course sequence of classes in one year and all Advanced Placement (AP) classes became year-long two-credit courses.
| Year | Students | Tests | 5's | 4's | 3's | 2's | 1's |
|---|---|---|---|---|---|---|---|
| 1987-88 | | | 42% | 42% | | ||
| 1988-89 | | | 37% | 24% | 26% | ||
| 1989-90 | 13% | 13% | 26% | 17% | 30% | ||
| 1990-91 | 15% | 19% | 26% | 26% | 15% | ||
| 1991-92 | 16% | 16% | 41% | 19% | | ||
| 1992-93 | | 38% | 19% | 25% | 13% | ||
| 1993-94 | 12% | 45% | 27% | 12% | | ||
| 1994-95 | 16% | 19% | 28% | 30% | | ||
| 1995-96 | 15% | 22% | 28% | 31% | | ||
| 1996-97 | 19% | 19% | 34% | 23% | | ||
| 1997-98 | 8% | 19% | 22% | 39% | |
| Year | Tests | 5's | 4's | 3's | 2's | 1's |
|---|---|---|---|---|---|---|
| 1994-95 | 18,470 | 13% | 20% | 27% | 27% | 13% |
| 1995-96 | 19,105 | 12% | 21% | 28% | 27% | 11% |
| 1996-97 | 20,459 | 13% | 22% | 28& | 25% | 12% |