| 2021 NSCHSAA CHAMPIONSHIP | ||||
| OUTBRACKET | QUARTERFINAL | SEMI FINAL | FINAL | |
| March 19, 2021 | March 20, 2021 | March 21, 2021 | March 22, 2021 | |
| 1 Holy Trinity (8-3) | ||||
| 61-57 | 4 St. Mary's (8-5) | |||
| 5 St. John The Baptist (5-6) | @ Highest Seed | |||
| 74-65 | 4 St. Mary's (7-5) | |||
| @ Highest Seed | ||||
| 4 St. Mary's (6-5) | ||||
| 65-47 | 2 Chaminade (9-4) | |||
| 3 St. Anthony's (6-5) | @ Highest Seed | NSCHSAA Champion | ||
| 56-41 | 6 Kellenberg (6-6) | |||
| 7 St. Dominic (2-8) | @ Highest Seed | |||
| 57-46 | 6 Kellenberg (5-6) | |||
| @ Highest Seed | 64-47 | 2 Chaminade (8-4) | ||
| 6 Kellenberg (4-6) | @ Highest Seed | |||
| 2 Chaminade (7-4) | ||||