| 2023 CLASS A Large School Championship | |||
| New York State Section I | |||
| ROUND 1 | QUARTERFINAL | SEMI FINAL | |
| February 16, 2023 | February 18, 2023 | February 23, 2023 | |
| 1 Somers (18-2) | |||
| 73-48 | 1 Somers (19-2) | ||
| @ Highest Seed | |||
| 9 Harrison (9-11) | |||
| 47-45 | 8 Mahopac (10-11) | ||
| @ Highest Seed | |||
| 8 Mahopac (9-11) | |||
| 59-47 | 1 Somers (20-2) | ||
| @ Highest Seed | Advance To Semi-Final | ||
| 5 Eastchester (11-9) | |||
| 86-40 | 5 Eastchester (12-9) | ||
| @ Highest Seed | |||
| 12 Saunders (5-15) | |||
| 55-41 | 4 Rye (14-7) | ||
| @ Highest Seed | |||
| 4 Rye (13-7) | |||
| 3 Fox Lane (13-7) | |||
| 49-43 | 3 Fox Lane (14-7) | ||
| @ Highest Seed | |||
| 11 Clarkstown North (6-14) | |||
| 69-67 | 11 Clarkstown North (7-14) | ||
| @ Highest Seed | |||
| Greeley (12-8) | |||
| 64-62 | 2 Yorktown (17-5) | ||
| @ Highest Seed | Advance To Semi-Final | ||
| 7 Poughkeepsie (7-13) | |||
| 64-45 | 7 Poughkeepsie (8-13) | ||
| @ Highest Seed | |||
| 10 Brewster (8-12) | |||
| 65-35 | 2 Yorktown (16-5) | ||
| @ Highest Seed | |||
| 2 Yorktown (15-5) | |||