| Rank | Student | School | Date | | Par | Strokes |
| 1 | Ryan Joon Lee | Pembroke Hill | 5/18/2021 | | 70 | 133 |
| 2 | Don Maddox | Raytown South | 5/1/1976 | | 70 | 134 |
| 3 | Mark Hanrahan | Rockhurst | 5/1/1976 | | 70 | 136 |
| 3 | Jim Clevenger | Liberty | 5/1/1978 | | 68 | 136 |
| 3 | Ben Wilson | Rock Bridge | 5/1/1978 | | 68 | 136 |
| 3 | Colby Robertson | Poplar Bluff | 5/1/1994 | | 70 | 136 |
| 3 | Ross Steelman | Rock Bridge | 5/16/2018 | | 72 | 136 |
| 8 | Brooks Jungbluth | Bishop LeBlond | 5/16/2018 | | 72 | 137 |
| 8 | John (Bubba) Paul Chapman | Chaminade College Prep | 5/14/2024 | | 72 | 137 |
| 10 | Connor McHenry | Helias Catholic | 5/16/2006 | | 72 | 138 |