| 2023 NSCHSAA CHAMPIONSHIP | ||||
| OUTBRACKET | QUARTERFINAL | SEMI FINAL | FINAL | |
| February 22, 2023 | February 24, 2023 | February 26, 2023 | February 28, 2023 | |
| 1 Chaminade (21-3) | ||||
| 71-56 | 1 Chaminade (22-3) | |||
| 5 St. Dominic (10-14) | @ SUNY Farmingdale | |||
| 64-52 | 4 Holy Trinity (13-12) | |||
| @ Highest Seed | ||||
| 4 Holy Trinity (12-12) | ||||
| 43-35 | 1 Chaminade (23-3) | |||
| 3 St, Anthony's (17-7) | @ Hofstra University | NSCHSAA Champion | ||
| 72-40 | 3 St, Anthony's (18-7) | |||
| 7 St. Mary's (5-17) | @ Highest Seed | |||
| 77-54 | 6 Kellenberg (6-19) | |||
| @ Highest Seed | 65-51 | 3 St, Anthony's (19-7) | ||
| 6 Kellenberg (5-19) | @ SUNY Farmingdale | |||
| 2 St. John The Baptist (20-4) | ||||