| All Institutions: Subtotal, Sciences and Engineering | |||||
| Institution Name | Weighted Rank: 1971-1980 | Weighted Rank: 1976-1985 | Weighted Rank: 1981-1990 | Weighted Rank: 1986-1995 | Weighted Rank: 1991-2000 |
| California Institute of Technology | 1 | 1 | 1 | 1 | 1 |
| Harvey Mudd College | 2 | 2 | 2 | 2 | 2 |
| Massachusetts Institute of Technology | 3 | 3 | 3 | 3 | 3 |
| Reed College | 5 | 6 | 4 | 4 | 4 |
| Swarthmore College | 6 | 7 | 5 | 6 | 5 |
| Carleton College | 10 | 10 | 7 | 9 | 6 |
| University of Chicago | 4 | 5 | 6 | 8 | 7 |
| Princeton University | 17 | 14 | 10 | 11 | 8 |
| Rice University | 8 | 13 | 22 | 16 | 9 |
| Haverford College | 9 | 9 | 9 | 15 | 10 |
| Kalamazoo College | 48 | 29 | 14 | 10 | 11 |
| Grinnell College | 18 | 22 | 17 | 18 | 12 |
| Oberlin College | 15 | 12 | 11 | 17 | 18 |
| Earlham College | 33 | 31 | 18 | 19 | 23 |
| College of Wooster, The | 34 | 51 | 56 | 40 | 35 |
| Wabash College | 27 | 40 | 48 | 36 | 39 |
| Macalester College | 90 | 62 | 37 | 45 | 54 |
| Hope College | 108 | 126 | 88 | 66 | 81 |
| Antioch University, All Campuses | 47 | 124 | 132 | 105 | 120 |
| Kenyon College | 78 | 92 | 84 | 103 | 127 |
| Ohio Wesleyan University | 230 | 191 | 168 | 172 | 148 |
| Albion College | 150 | 192 | 234 | 226 | 198 |
| Denison University | 147 | 103 | 138 | 193 | 205 |
| DePauw University | 144 | 114 | 148 | 217 | 214 |
| Guilford College | 432 | 396 | 278 | 221 | 301 |