| Lane | Athlete | Yr. | Team | Seed | Note |
|---|---|---|---|---|---|
| 1 | AYELE, Bemnet | JR | Pattonville High School | 21.50m | Verified |
| 2 | MOKWA, Samuel | SO | Pattonville High School | 25.63m | Verified |
| 3 | IVY, Sutton | SO | Kirkwood High School | 31.98m | Verified |
| 4 | MCCALLUM, Myles | SR | Hazelwood West High School | 32.46m | Verified |
| 5 | BUTLER, Charles | JR | Seckman High School | 36.12m | Verified |
| 6 | LEIWEKE, Noah | JR | Seckman High School | 36.45m | Verified |
| 7 | SCHEIDT, Nathan | SO | Kirkwood High School | 37.18m | Unverified: Suburban Yellow Boys Conference |
| 8 | KREBS, John | SR | Marquette High School | 42.98m | Verified |
| 9 | POWELL, Luke | JR | Northwest (Cedar Hill) High Scho | 43.71m | Verified |
| 10 | ROWLEY, Richard | JR | Northwest (Cedar Hill) High Scho | 43.79m | Verified |
| 11 | ERNSTROM, Brigg | SR | Marquette High School | 46.71m | Verified |