| Name | Address | Games | Actions |
|---|---|---|---|
| Stanford University | Johnson Field, Stanford, CA, 94305 | 7 | |
| St. Cloud | 720 4th Avenue South, St. Cloud, MN, 56301 | 1 | |
| St. Edwards | Austin, TX | 3 | |
| Stephen F. Austin State University | Nacogdoches, TX | 4 | |
| Stevens' Point, WI | Stevens Point, WI | 1 | |
| Stevens Stadium | 500 El Camino Real, Santa Clara, CA, 95053 | 3 | |
| St. John's | Collegeville, MN | 4 | |
| St. Louis, MO | St. Louis, MO | 3 | |
| St Mary's College | Moraga, CA | 5 | |
| St Olaf Skoglund Field | 1500 Saint Olaf Avenue, Northfield, MN, 55057 | 2 | |
| Stonehill College - WB Mason Stadium | Blessed Basil Drive, Easton, MA, 02356 | 4 | |
| St. Paul, MN (Minnesota) | St. Paul, MN | 1 | |
| St. Paul, MN (St Thomas) | St. Paul, MN | 6 | |
| St. Stephen's Episcopal High School | 1715 West Cesar Chavez St., Austin, TX, 78746 | 1 | |
| St. Vincent College | St. Vincent College, PA | ||
| Summit High School | 2855 NW Clearwater Dr, Bend, OR, 97701 | ||
| Sunset High School | 13840 NW Cornell Rd., Portland, OR, 97229 | 1 | |
| Swensen Field | Swensen Athletic Complex, Bridgewater, MA, 02325 | 1 | |
| Tahoma High School | 18200 SE 240th Street, Covington, WA, 98042 | 1 | |
| Taylor | Upland, IN | 1 |