| Rank | Time | Student | Grade | School | Year | |
| 1 | 3:13.80 | | | Platte County | 2024 | Class 5 |
| 2 | 3:14.04 | | | Hazelwood East | 1986 | Class 4 |
| 3 | 3:14.34 | | | Normandy | 1986 | |
| 4 | 3:14.98 | | | Christian Brothers College | 2014 | |
| 5 | 3:15.09 | | | McCluer | 1992 | |
| 6 | 3:15.54 | | | O'Fallon Tech | 1981 | |
| 7 | 3:16.93 | | | Cardinal Ritter | 2018 | Class 3 |
| 8 | 3:17.12 | | | Hazelwood West | 2015 | Class 5 |
| 9 | 3:23.00 | | | Maplewood-Richmond Hts. | 2009 | Class 2 |
| 10 | 3:27.04 | | | Sheldon | 1985 | Class 1 |