| EARTH SCIENCES | |||||||
| Earlham and peer institutions - weighted ranks among 1,469 institutions | |||||||
| Institution Name | Weighted Rank: 1971-1980 | Weighted Rank: 1976-1985 | Weighted Rank: 1981-1990 | Weighted Rank: 1986-1995 | Weighted Rank: 1991-2000 | Weighted Rank: 1995 - 2004 | Weighted Rank: 1975 - 2004 |
| Carleton College | 6 | 7 | 5 | 2 | 3 | 2 | 3 |
| Franklin & Marshall College | 4 | 5 | 9 | 10 | 10 | 7 | 5 |
| Beloit College | 12 | 12 | 11 | 4 | 5 | 11 | 6 |
| College of Wooster, The | 7 | 15 | 28 | 7 | 6 | 13 | 10 |
| Earlham College | 20 | 10 | 8 | 6 | 14 | 29 | 11 |
| Colorado College | 5 | 15 | |||||
| Haverford College | 17 | 17 | |||||
| Hamilton College | 20 | 18 | |||||
| Oberlin College | 45 | 26 | 22 | 33 | 17 | 22 | 22 |
| Occidental College | 28 | 28 | |||||
| Whitman College | 76 | 101 | 97 | 16 | 8 | 9 | 29 |
| Macalester College | 100 | 109 | 39 | 42 | 40 | 10 | 31 |
| Reed College | 45 | 33 | |||||
| Washington and Lee University | 58 | 42 | |||||
| Knox College | 147 | 43 | |||||
| Lafayette College | 76 | 49 | |||||
| Bates College | 32 | 51 | |||||
| Lawrence University | 68 | 53 | |||||
| Denison University | 70 | 146 | 104 | 78 | 82 | 71 | 68 |
| Guilford College | 228 | 64 | 56 | 84 | 44 | 71 | |
| Hampshire College | 60 | 77 | |||||
| Grinnell College | 40 | 87 | 225 | 133 | 126 | 212 | 94 |
| University of the South | 69 | 106 | |||||
| Rhodes College | 111 | 115 | |||||
| Kalamazoo College | 197 | 66 | 190 | ||||
| Trinity College (Hartford, CT) | 284 | 235 | |||||
| Kenyon College | 115 | 136 | 248 | 239 | |||
| St Olaf College | 151 | 322 | |||||
| Connecticut College | 477 | 522 | |||||
| Centre College | 477 | 633 | |||||
| Lake Forest College | 477 | 633 | |||||
| Pitzer College | 477 | 633 | |||||
| Scripps College | 477 | 633 | |||||